Broad bean necklaces are put on the children's neck during an activity marking the day of Li Xia in Ningbo city, east China's Zhejiang province, May 5, 2015. Tuesday is "Li Xia" which marks the beginning of summer in Chinese Lunar calendar. People, especially the kids, knock boiled eggs with each others to celebrate. The winners will be the ones whose eggs remain flawless after knocking. [Photo/Xinhua]