Indonesian Buddhists release thousands of flying lanterns into the sky to mark Vesak Day at Borobudur Temple. Tens of thousands of Buddhists and visitors from across Indonesia and other countries flock to the world's largest Buddhist temple to mark the Buddhist Holy Day. "We, humans, always want to be happy. Why are we not happy? Because our hearts are dark and need light," says Dwi Virya, a Buddhist monk. IMAGES AND SOUNDBITES