A South Korean worker attaches name cards with wishes of Buddhist followers to lotus lanterns during a ceremony to celebrate the birthday of Buddha at Jogye Temple in Seoul on Friday. Buddhism is one of South Korea's largest and most active religions. It has millions of followers in the country. Although the exact date is unknown, Buddha's official birthday is celebrated on April 8 of the lunar calendar, which is Friday this year, in China, South Korea, Japan and Mongolia. Photo: AFP