They say a picture is worth a thousand words, so we'll let the images do the talking in this collection of the best images of 2011.

Click on the small images above to see who made the cut in our Year in Review.

Robert Peraza, who lost his son Robert David Peraza in the terrorist attacks at the World Trade Center on Sept 11, 2011, pauses at the 9/11 Memorial on tenth anniversary ceremony in New York. [Photo/Agencies]

A boy suffering malnutrition is treated at a health center in Ethiopia, August 20. He is believed to be just one of the estimated 100,000 Somalis have fled to Ethiopia from famine and drought in the Horn of Africa, including Somalia, Ethiopia, Kenya. [Photo by Jin Liwang/Xinhua]

An opposition demonstrator prays in front of army soldiers near Egypt's Tahrir Square in Cairo Feb 5. The square became a focal point for the uprising against former president Hosni Mubarak. [Photo/Agencies]

Britain's Prince William and his wife Catherine, Duchess of Cambridge, kiss as they stand on the balcony at Buckingham Palace after their wedding at Westminster Abbey in London on April 29. [Photo/Agencies]

The world's biggest family pose for a group photograph in Baktawng village in India on Oct 7. The father, Ziona, is the head of the religious sect Chana, which allows polygamy, he has 39 wives, 94 children and 33 grandchildren.[Photo/Agencies]

A man grabs a falling woman after she jumps from a building in Changchun, Northeast China's Jilin province, May 17. The 22-year-old attempted suicide after her boyfriend asked for an end to their 4-year relationship. [Photo/China Daily]

Cars and pedestrians wade through a flooded road in Wuhan, capital city of Central China's Hubei province, June 18 after a rainstorm. [Photo/CFP]

Eleven guys wrapped in quilts ride the No 1 metro line in Shanghai on Nov 11 wearing signboards with their contact information for a future wife. Nov 11 is Singles Day, a growing Chinese holiday for people who are still living a single life. [Photo/CFP]

Ni Linmei combs out her 2.53 meters long hair Dec 6. She says her hair grows 16.7 centimeters every year and she plans to apply to the Guinness World Records for longest hair in a few years. [Photo/CFP]

Two disguised breeders put giant panda cub Cao Gen into a basket before transferring him to a new habitat, in Sichuan, Feb 20. They dressed up as giant pandas to minimize the impact of human intervention. [Photo/China Daily]