A mother receives a bouquet of flowers from her son in Helan county, Yinchuang city of the Ningxia Hui autonomous region, May 2013. To welcome the upcoming Mother's Day, which falls on the second Sunday of May every year, the local women's federation in the county held a special activity inviting children of single parent families to pick up vegetable and fruit for their mothers as gifts. [Photo/Xinhua]

A girl shows a set of Mother’s Day-themed stamps she just bought for her mother in Suzhou, East China’s Jiangsu province, May 11, 2013. China Post issued the latest stamps, with each set consisting of four stamps featuring different wishes, on Saturday to commemorate the holiday. [Photo/Xinhua]