Snapshots: the world in 24 hours, July 4

Dancers participate in a ceremony before the start of two matches of the first round of the Copa America soccer tournament in San Juan, western Argentina, July 4, 2011.[Photo/Agencies]

Novak Djokovic greets supporters upon arrival in Belgrade July 4, 2011. Some 100,000 Serbian tennis fans gave Novak Djokovic a royal reception in central Belgrade on Monday after the 24-year-old arrived home to celebrate winning his first Wimbledon title. [Photo/Agencies]