The city celebrates the festival of colors.
Artist David Cerny calls it the "London Booster."
Traffic Psychologists in Sao Paolo try to cheer up the city's drivers with signs, high fives, and physical affection.
Europeans rally to free the Russian girl band Pussy Riot.
Side-by-side photos of the city then and now.
These riders swing through the air with the greatest of ease.
The town of Baia Mare has relocated its Roma population to decrepit Communist-era buildings, and walled in their new home.
Some intriguing scenes from the world's largest museum and research complex.
Tour a secret cave that once housed Chinese military leader Lin Biao.
During the "Bol Bom" pilgrimage, the faithful chant the name of Lord Shiva while running some 9 miles.
Pictures of sleeping in strange places.
Dozens of quiet green spaces dot the city scape.
Photos from around Africa's new most populous city.
A new memorial, opening today, pays tribute to Muslims massacred during the Bosnian War.
Photos from the running of the bulls.
"We were screaming for help," residents told reporters.
Wild shots of window washers.
Costumes, flags, floats and other scenes from cities.
One of Havana's most popular past times.