Participants whirl cans filled with burning wood chips during a celebration ahead of "Jeongwol Daeboreum", or Great Full Moon, at a park in Seoul Feb 16, 2011. The traditional Korean holiday celebrates the first full moon of the lunar calendar. [Photo/Agencies]

A man looks at a bonfire and fireworks in celebration ahead of "Jeongwol Daeboreum", or Great Full Moon, which is a Korean traditional holiday that celebrates the first full moon of the lunar calendar, at a park in Seoul Feb 16, 2011. [Photo/Agencies]