Hanshik is a traditional Korean holiday. In the modern version of Hansik, people welcome the warm weather thawing the frozen lands. On this day, rites to worship ancestors are observed early in the morning, and the family visits their ancestors' tombs to tidy up. Falling on the 105th day after the winter. At this time of year, the sky becomes clearer and buds sprout in the field. Farmers sow various seeds and supply water to their rice paddies. The custom of eating cold food on this day is believed to originate from the Chinese legend. Since this day coincides with Arbor Day, public cemeteries are crowded with visitors planting trees around the tombs of their ancestors.