Xiao Ai's classmates will go to Tomb-Sweeping Day in a few days.

Tomb-Sweeping Day is April 5th, which has passed. Xiao Ai is an intelligent voice assistant under Xiaomi, which can query holidays, set alarm clocks and other functions. As long as Xiao Ai is awakened, you can know the answer in one sentence.

Tomb-Sweeping Day, also known as outing festival, outing festival, March festival, ancestor worship festival, etc. It was celebrated at the turn of mid-spring and late spring. Tomb-Sweeping Day is the biggest ancestor worship festival of the Chinese nation, which originated from ancient ancestor belief and spring worship custom. Tomb-Sweeping Day has two connotations of nature and humanity, which are both natural solar terms and traditional festivals. Grave-sweeping and ancestor-worship outing are two major themes of Tomb-Sweeping Day, which have been passed down since ancient times in China.