An Indian laborer uses a sieve to separate grains of wheat from the husk at a grain market on the outskirts of Amritsar on April 30, 2012, on the eve of International Labour Day.

Source: CNN Daily Snapshot

Bernd Wiesberger of Austia kisses the trophy after winning the Ballantine’s Championship Golf Tournament at the Black Stone Golf Club in Icheon, South Korea, April 29, 2012.

Source: Lee Jin-man, CBS News Photo Gallery

IndyCar driver Will Power of Australia (right), celebrates his victory at the winner’s podium with Ryan Hunter-Reay of the U.S., who places second, in the IndyCar Sao Paulo 300, in Sao Paulo, Brazil, April 29, 2012.

Source: Andre Penner, CBS News Photo Gallery

Spanish matador Juan Jose Padilla performs a pass to a bull during a bullfight at the Maestranza Bullring in Sevilla, on April 28, 2012.

Source: CNN Daily Snapshot

A ladybug is seen at the end of a tree branch in Prague during a warm sunny day on April 27, 2012.

Source: CNN Daily Snapshot

Brazil’s Thiago Machado Pereira competes to win the Men’s 400m Medley Final at the Maria Lenk Trophy Swimming Championship in Rio de Janeiro, Brazil on April 27, 2012.

Source: Victor Caivano, CBS News Photo Gallery

Bull rider Elliot Jacoby of Fredericksburg, Texas is thrown nearly under Holly Rollerin at the PBR Touring Pro Division Competition during the 98th Annual Clovis Rodeo on April 26, 2012 in Clovis, California.

Source: The Fresno Bee, John Walker, CBS News Photo Gallery

A white stork stretches in its nest near Biebesheim, Western Germany, on April 25, 2012. White storks begin their mating season each spring when males return to breeding grounds, in March or April.

Source: CNN Daily Snapshot

French matador Sebastian Castella performs a pass to a bull during a bullfight at the Maestranza Bullring in Sevilla, Spain on April 23, 2012.

Source: CNN Daily Snapshot

Stones and broken cement blocks are scattered on the road in Silverio Compound, Sucat, Paranaque City, on Monday, April 23, 2012, as a house-demolition operation in a squatters’ neighborhood turned violent with police using tear gas on residents who hurled rocks and other objects at them. At least one resident was killed and 40 others were injured.

Source: Nino Jesus Orbeta, Philippine Daily Inquirer

Men dressed as ancient Roman soldiers marched in front of the Colosseum in Rome on April 22, 2012 to mark the anniversary of the founding of Rome in 753 BC.

Source: CNN Daily Snapshot

A sculpture goes on show at the Temporary Museum For New Design during 2012 Milan Design Week in Italy.

Source: BBC News In Pictures

With favourable weather conditions India’s wheat harvesting could touch 90 million tonnes in 2012, a record output for the second straight year.

Source: BBC News In Pictures

Winnie Hook, 106 and George Quilici, 107, two of the four known survivors of San Francisco’s great earthquake and fire of 1906, await the start of a parade as part of the city’s annual survivors dinner.

Source: BBC News In Pictures

Nelson Piquet Jr. makes a pit stop during a Nascar Truck Series Race in Rockingham, North Carolina.

Source: BBC News In Pictures