Houses are seen partially submerged in floodwaters caused by tropical storm Harvey in Houston, Texas, on Wednesday.

STORM HARVEY houses partially submerged in floodwaters

(Adrees Latif/Reuters)

Harvey hammers Houston

Larry Koser, Jr., looks for important papers and heirlooms inside his father's house in Houston after it was flooded by heavy rains from tropical storm Harvey on Tuesday.

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(Erich Schlegel/Getty Images)

Deadly flooding in South Asia

Indians wade through a flooded street during heavy rain showers in Mumbai on Tuesday. Since the start of the season, devastating floods across South Asia have killed at least 1,000 people and affected close to 40 million across northern India, southern Nepal and northern Bangladesh.

India flooded street

(Punit Paranjpe/AFP/Getty Images)

Malaysia celebrates

Malaysian schoolchildren wave national flags during the 60th National Day celebrations in Kuala Lumpur on Thursday.

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(Mohd Rasfan/AFP/Getty Images) (AFP/Getty Images)

A massive pilgrimage

An aerial view shows buses parked after dropping Muslim pilgrims off near Mount Arafat, southeast of the Saudi holy city of Mecca, on Thursday. Arafat is the site where Muslims believe the Prophet Mohammed gave his last sermon about 14 centuries ago.

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(Karim Sahib/AFP/Getty Images)

Muslim pilgrims circle the Kaaba at the Grand Mosque ahead of the annual hajj pilgrimage in Mecca, Saudi Arabia, on Saturday.

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(Suhaib Salem/Reuters)

The Desert in Bloom

A gorgeous view of flowers in bloom on the Atacama desert in the Huasco region approximately 600 km north of Santiago, Chile. In years of very heavy seasonal rains, a natural phenomenon known as the Desert in Bloom occurs, causing the seeds of roughly 200 desert plants to germinate suddenly two months after the precipitation.

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(Martin Bernetti/AFP/Getty Images)

North Korea's latest launch 

A missile is launched during a long- and medium-range ballistic rocket launch drill in this undated photo released by North Korea's Korean Central News Agency in Pyongyang on Wednesday.

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(KCNA/Reuters) (KCNA/Reuters)

Aerobatic acrobatics

Sukhoi Su-30SM fighter of the Russkiye Vityazi (Russian Knights) aerobatic team performs at the ARMY 2017 International Military-Technical Forum at the Kubinka airbase outside Moscow on Sunday.

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(Andrey Volkov/Reuters)

Remembering Diana

A photograph of Diana, Princess of Wales, covered by drops of water, is seen Wednesday over the Alma bridge in Paris to mark the 20th anniversary of her death. Diana died in a car crash in a nearby tunnel on Aug. 31, 1997. Twenty years later, her tragic death still captivates millions around the world.

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(Eric Feferberg/AFP/Getty Images)

Lighting up the sky 

Lightning strikes close to windmills in the El Perdon windpark during a storm in Pamplona, Navarra, Spain, on Tuesday.

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(Jesus Diges/EFE/EPA)

The art of body painting

A model uses a portable fan to keep cool backstage during the 2017 Daegu International Bodypainting Festival in Daegu, South Korea.

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(Ed Jones/AFP/Getty Images)

A record-breaking sandcastle?

A representative from the Guinness Book of World Records looks at his notes next to the Sandburg sandcastle in Duisburg, Germany, on Friday.

A local travel agency commissioned the building of the sandcastle, seeking to set a new Guinness World Record. The Sandburg took three weeks to build and is made from 3,500 tons of sand.

Sandburg sandcastle

(Maja Hitij/Getty Images)

With files from The Associated Press