Best pictures from February 17
Russian Prime Minister Vladimir Putin visits a science and technology exhibit in Novosibirsk, Russia.
A woman holds a balloon and a Libyan flag during celebrations for the one-year anniversary of the February 17 Revolution in Tripoli, Libya.
Penguin keeper Kristi Eakin, left, feeds king penguins during opening day of the Penguin Plunge exhibit at the Calgary Zoo in Calgary, Alberta.
King penguins swim during opening day of the Penguin Plunge exhibit at the Calgary Zoo in Calgary, Alberta.
Adults and children check out penguins during opening day for the Penguin Plunge exhibit at the Calgary Zoo in Calgary, Alberta.
Miami Heat's LeBron James dunks during the first quarter of the Heat's NBA basketball game against his former team the Cleveland Cavaliers in Cleveland.
Malia Miyashiro, of California, throws beads from a Bourbon St. balcony to Mardi Gras revelers in the French Quarter in New Orleans.