Today is Mother's Day. A mother's love is the most powerful force in the world. A mother and her child view lilac flowers in full bloom at the General Government Office Museum in Hohhot, North China's Inner Mongolia Autonomous Region, on April 20, 2022. (Photos: CFP; compiled by Lin Huizi)

Yu Lijuan and her son sell balloons near Zhouwangcheng Square in Luoyang, Central China's Henan Province, on August 21, 2015.

Yu Lijuan and her son sell balloons near Zhouwangcheng Square in Luoyang, Central China's Henan Province, on August 21, 2015.

A child kiss his mothers in Yangzhou, East China's Jiangsu Province, on May 9, 2021.

Lü Aimei, 60 years old, has taken care of her two sons with amyotrophic lateral sclerosis (ALS) for more than 20 years, in Zhengzhou, Central China's Henan Province, March 21, 2021.

A mother stands in a tunnel-like building looking at her son, on March 31, 2017. The scene of is like a time warp.