When the Chinese New Year arrives，the sky is illuminated with fireworks and strings of lights to send off the old and ring in the new year. Fireworks and firecrackers,known as yanhua and baozhu,were originally made of real bamboo and were traditionally set off to frighten the legendary monster, Nian. You can hear or see fireworks and firecrackers everywhere,which usually lasts for a few hours. Some people will continue to set off fireworks periodically throughout the first half of the first lunar month.