Published May 01, 2013
French President Francois Hollande (L) welcomes Italian Prime Minister Enrico Letta at the Élysée Palace in Paris, France.
Workers march during a May Day rally in Jakarta, Indonesia.
Participants compete in the second edition of the Spartacus survival run in Boom, Belgium.
An injured journalist is filmed and helped by his colleagues during clashes between riot police and May Day protesters in central Istanbul, Turkey.
Marinda Righter (L), daughter of face donor Cheryl Denelli-Righter, kisses face transplant recipient Carmen Blandin Tarleton during a news conference at Brigham and Women's Hospital in Boston, Massachusetts. Tarleton, who was attacked by her estranged husband and doused with lye in June 2007, underwent the transplant in February.
A policeman aligns his shield on the pavement as they wait for protesters to march during International Labor Day near the Malacanang Palace in Manila, Philippines.
Workers of the Rasselstein tinplate maker wear red morphsuits and hold flags of the German union IG Metall as they demonstrate during a warning strike in Andernach, western Germany.
Demonstrators clash with the police during a march held in Santiago, Chile on May Day.
An enormous cloud of hot gas enveloping two large, colliding galaxies in the system known as NGC 6240. Scientists have used Chandra to make a detailed study of this unusually large reservoir of gas contains as much mass as 10 billion Suns, spans about 300,000 light years, radiates at a temperature of more than 7 million degrees, and glows in X-rays (purple).
Artist Princess Tarinan von Anhalt throws paint into the flow of air coming from the engine of Flexjet’s Learjet 40 XR engine to create a painting on a canvas at Signature Flight Support in West Palm Beach, Florida, USA, Apr. 30, 2013.