A picture taken March 08, 2014 shows a view of Yosemite National Park valley. Over 3.7 million people visit Yosemite each year, as most spend their time in the seven square miles (18 km2) of Yosemite Valley. Designated a World Heritage Site in 1984, Yosemite is internationally recognized for its spectacular granite cliffs, waterfalls, clear streams, Giant Sequoia groves, and biological diversity. AFP PHOTO/MLADEN ANTONOV        (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)