The week in 31 photos

This Grevy's zebra, seen on Tuesday, September 8, is part of the large collection of African animals at the Dvur Kralove Zoo in Dvur Kralove nad Labem, Czech Republic.

The week in 31 photos

Democratic presidential candidate Hillary Clinton, center, practices her dance moves with talk-show host Ellen DeGeneres and dancer Stephen Boss during a taping of DeGeneres' show on Tuesday, September 8.

The week in 31 photos

A girl tows her grandfather in Riviera Beach, Florida, as they enjoy their Labor Day holiday on Monday, September 7.

The week in 31 photos

Guests make their way through a labyrinth of 125,000 sunflowers at the Van Gogh Museum in Amsterdam, Netherlands, on Friday, September 4. The museum was opening a new entrance for the 125th anniversary of Vincent van Gogh's death.

The week in 31 photos

NASA astronaut Scott Kelly, aboard the International Space Station, took this image of Tropical Storm Grace developing over the Atlantic Ocean on Sunday, September 6.

The week in 31 photos

Police officers are egged by protesting farmers in Brussels, Belgium, on Monday, September 7. Thousands of angry European farmers set off fireworks, blared horns and blocked streets with tractors as they demanded emergency European Union funds to help them cope with plunging food prices and soaring costs.

The week in 31 photos

A donkey peers through a theater curtain Wednesday, September 9, during his audition for an opera in Southsea, England.

The week in 31 photos

A boy walks with toy guns as people ride an armored vehicle during a military show in St. Petersburg, Russia, on Saturday, September 5.

The week in 31 photos

A boy covers his ears while devotees pray during a church service in Rio de Janeiro on Monday, September 7.

The week in 31 photos

A Lebanese commando shows his strength as he pulls an armored truck during an exhibition Wednesday, September 9, in Beirut, Lebanon.

The week in 31 photos

Wind turbines generate power from an offshore wind park near the island of Amrum, Germany, on Friday, September 4.

The week in 31 photos

After arriving at the Greek port of Piraeus, refugees and migrants push one another as they try to board a bus on Monday, September 7.

The week in 31 photos

A rainbow appears over One World Trade Center on Thursday, September 10, the day before the anniversary of the 9/11 attacks in New York.

The week in 31 photos

A woman covers her face during a sandstorm in Jerusalem on Tuesday, September 8.

The week in 31 photos

Four U.S. fighter jets approach a refueling aircraft near the Estonian capital of Tallinn on Friday, September 4. They were flying toward a NATO air base in the country.

The week in 31 photos

A Palestinian woman argues with an Israeli border policeman while protesting Jewish settlements in Nabi Saleh, West Bank, on Friday, September 4.

The week in 31 photos

A car remains stuck after falling into a sinkhole in Lanzhou, China, on Wednesday, September 9.

The week in 31 photos

Children reach for money thrown from a bell tower during a festival in Guarambare, Paraguay, on Monday, September 7.

The week in 31 photos

A laborer in Gaza City works Wednesday, September 9, on Palestinian houses that were damaged during the Israeli-Hamas conflict of 2014.

The week in 31 photos

Pope Francis laughs with a child at the Vatican on Saturday, September 5.

The week in 31 photos

Larry the cat waits to enter 10 Downing Street in London on Monday, September 7. He was adopted years ago by British Prime Minister David Cameron and his family.