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The day in photos

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Piko, a spotted-neck otter, eats a frozen fish at the Phoenix Zoo, Thursday, July 24, 2014 in Phoenix. With Phoenix-area daytime highs hovering around 110, zoo officials use a variety of frozen snacks and spring to keep the animals cool. (AP Photo/Matt York)

An otter eats a frozen fish to stay cool in a Phoenix, Arizona, zoo.

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A bolt of lightning strikes over Tokyo skyscrapers at dusk in Tokyo July 24, 2014. REUTERS/Issei Kato (JAPAN - Tags: ENVIRONMENT TPX IMAGES OF THE DAY)

Lightning strikes over Tokyo

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Candidates of the Miss Las Pinas Water Lily beauty pageant pose with their gowns made from dried water lilies during a media presentation in Las Pinas city, south of Manila July 24, 2014. According to the event organiser, the contest is part of events to celebrate the city's annual Water Lily festival. Local residents make gowns, bags and ornaments from parts of the aquatic plant as a source of livelihood. REUTERS/Romeo Ranoco (PHILIPPINES - Tags: SOCIETY ENVIRONMENT TPX IMAGES OF THE DAY)

Miss Las Pinas Water Lily beauty pageant contestants pose in gowns made from dried water lilies in Las Pinas, the Philippines.

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Microsoft technology advisor Bill Gates delivers an address during an awards ceremony which confers an honorary Doctorate Degree on the Microsoft founder at the Addis Ababa University July 24, 2014. Nigeria could cut the number of polio cases to zero next year and be declared free of the disease in 2018 even though a national eradication campaign has had to contend with an insurgency in the north, Gates told Reuters. The technology billionaire-turned-global philanthropist was speaking last week before a speech on Thursday at Addis Ababa University on development in Africa, mainly in health and agriculture. To match Interview AFRICA-HEALTH/ REUTERS/Tiksa Negeri (ETHIOPIA - Tags: HEALTH EDUCATION SOCIETY BUSINESS)

Bill Gates speaks at Addis Ababa University in Ethiopia.

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A diver takes a "selfie" with a replica of Apoxyomenos from the first or second century B.C. in Historical Underwater Park in Mali Losinj July 24, 2014. The park features 11 different exponents, placed between 5 and 15 metres deep in the water, which testify the rich history of Losinj island and its region. REUTERS/Antonio Bronic (CROATIA - Tags: SOCIETY TRAVEL)

A diver takes a "selfie" with a replica of Apoxyomenos in Mali Losinj, Croatia.

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A woman holds prayer beads, as she pays her respects to the victims of the Malaysia Airlines Flight MH17 crash in Ukraine, in the Onze Lieve Vrouwen church in Amsterdam July 24, 2014. Amsterdam opened 75 churches to provide the opportunity for the public to pay their respects to the victims of the plane crash. REUTERS/Cris Toala Olivares (NETHERLANDS - Tags: TRANSPORT DISASTER TPX IMAGES OF THE DAY)

A woman prays for the victims of Malaysia Airlines Flight MH17 with a rosary in Amsterdam.

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REFILE - CORRECTING CHARACTERS Costumed attendees dressed as characters from Guardians of the Galaxy are seen during the 2014 Comic-Con International Convention in San Diego, California July 24, 2014. REUTERS/Sandy Huffaker (UNITED STATES - Tags: SOCIETY)

Fans dressed as the "Guardians of the Galaxy" hang out at San Diego Comic-Con.

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LONDON, ENGLAND - JULY 24: Londoners walking through Potters Field Park were surprised to see a 'money tree' blooming with £9820 in £10 notes, the average amount a working British family has in savings, on July 24, 2014 in London, England. The tree was planted by Sunlife to encourage the nation to start saving at least £10 a month for a brighter future. (Photo by Tristan Fewings/Getty Images for SunLife)

A piece of Malaysia Airlines Flight MH17 wreckage rests in Petropavlivka, Ukraine.

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LONDON, ENGLAND - JULY 24: Londoners walking through Potters Field Park were surprised to see a 'money tree' blooming with £9820 in £10 notes, the average amount a working British family has in savings, on July 24, 2014 in London, England. The tree was planted by Sunlife to encourage the nation to start saving at least £10 a month for a brighter future. (Photo by Tristan Fewings/Getty Images for SunLife)

Money grows on a tree in London.

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FUZHOU, CHINA - JULY 24: (CHINA OUT) Vehicles are submerged in a flooded street on July 24, 2014 in Fuzhou, China. The 10th typhoon Matmo landed in Fujian province on Wednesday and led gales and heavy rainfalls in east China. (Photo by ChinaFotoPress/Getty Images)

Vehicles are submerged in floodwaters after Typhoon Matmo hit Fuzhou, China.

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CHICAGO, IL - JULY 24: Demonstrators protest against the possibility of Walgreens moving their corporate headquarters overseas outside a Walgreens store on July 24, 2014 in Chicago, Illinois. Walgreens, with annual sales of about $72 billion, is considering moving its headquarters to Switzerland, a move that could cost American taxpayers $4 billion over five years. (Photo by Scott Olson/Getty Images)

Demonstrators protest against Walgreens in Chicago.

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US President Barack Obama speaks on economy at Los Angeles Trade-Technical College in Los Angeles, California, on July 24, 2014. The US economy has continued to shake off its winter sluggishness with all regions of the country seeing expansion, the Federal Reserve said in a report. AFP PHOTO/Jewel Samad (Photo credit should read JEWEL SAMAD/AFP/Getty Images)

President Barack Obama speaks in Los Angeles.

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An Afghan Muslim devotee reads verses of the Quran in a mosque to observe "Itikaf," the last ten days of the Islamic fasting month of Ramadan, in the city of Kandahar, south of Kabul, Afghanistan, Thursday, July 24, 2014. Itikaf is very important for many Muslims due to the belief that the Prophet Muhammad exerted himself even more to worship, hoping to draw himself closer to God. Itikaf is about total dedication to worshiping, reading the Quran and supplicating. (AP Photo/Allauddin Khan)

A Muslim boy reads the Quran in a Kandahar, Afghanistan, mosque.

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Smoke from an Israeli strike rises over Gaza City, Thursday, July 24, 2014. Israeli tanks and warplanes bombarded the Gaza Strip on Thursday, as Hamas militants stuck to their demand for the lifting of an Israeli and Egyptian blockade in the face of U.S. efforts to reach a cease-fire. (AP Photo/Adel Hana)

A displaced Palestinian girl cries in a northern Gaza Strip hospital.

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Smoke from an Israeli strike rises over Gaza City, Thursday, July 24, 2014. Israeli tanks and warplanes bombarded the Gaza Strip on Thursday, as Hamas militants stuck to their demand for the lifting of an Israeli and Egyptian blockade in the face of U.S. efforts to reach a cease-fire. (AP Photo/Adel Hana)

Smoke from an Israeli strike rises over Gaza City.

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Israelis mourn over the grave of Staff Sgt. Daniel Pomerantz during his funeral at the cemetery in Kfar Azar near Tel Aviv, Israel, Thursday, July 24, 2014. Pomerantz was killed while fighting in Gaza. (AP Photo/Oded Balilty)

Israelis mourn over the grave of Staff Sgt. Daniel Pomerantz in Tel Aviv.

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A relative of a passenger onboard the TransAsia Airways Flight GE222 that crashed on the Taiwanese island of Penghu, cries at a funeral parlor in Penghu, Taiwan, Thursday, July 24, 2014. The plane attempting to land in stormy weather crashed on the island late Wednesday, killing dozens of people and wrecking houses and cars on the ground. (AP Photo) TAIWAN OUT

A relative of a TransAsia Airways Flight GE222 passenger mourns in Penghu, Taiwan.

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This aerial photo shows structures which were destroyed by wildfires near Pateros, Wash. on Thursday, July 24, 2014. Fire spokesman Pete Buist says the biggest wildfire in the state's history remains at 52 percent contained on Thursday. However, the weather forecast calls for hot and dry conditions to return over the next few days. (AP Photo)

The aftermath of wildfires is visible in Pateros, Washington.

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Reptile Manager Paula Swanson applies a mud and clay mixture to "Mary", a Galapagos tortoise at the Phoenix Zoo, Thursday, July 24, 2014 in Phoenix. The mixture cools and protects the tortoise's skin from the sun. With Phoenix-area daytime highs hovering around 110, zoo officials use a variety of frozen snacks and spring to keep the animals cool. (AP Photo/Matt York)

A tortoise named Mary is coated in clay and mud to stay cool in a Phoenix, Arizona, zoo.