A man pays tribute to Kuixing, a God believed to oversee the examinations of students, for good exam scores in Nanjing, Jiangsu province on August 11, 2013. July 7 on the Chinese lunar calendar is said to be the birthday of the God. It is also Qixi, Chinese Valentine's Day. In ancient times, boys paid tribute to Kuixing for exams and girls paid tribute to the Weaver Maid for intelligence, good needlework skills and a happy marriage.[Photo/CFP]