Chung yeung is on the ninth day of the ninth lunar month , when many visit their ancestors graves or hike up mountains in remembrance of an ancient chinese familys escape from plague and death by fleeing to a mountain top 冰轮高揭,家家踏月,男女老幼到公园和郊外燃点彩灯,尽庆而返。暮春的清明节和农历九月初九的重阳节是扫墓祭祖的日子。不少市民在重阳登山,纪念登高避灾的古人。