Students from a primary school play the game of "egg balancing" to welcome the Spring Equinox, in Xingtai, north China's Hebei province, March 19, 2017. The school uses the tradition to teach the children about the Spring Equinox and its customs and traditions. Balancing eggs at the Spring Equinox is a Chinese folk custom, which dates back 4,000 years. This year, the equinox occurs around 6:29 pm Beijing Time on March 20. [Photo: VCG]