US Tennis players Serena Williams, left, and Venus Williams, right, dance with school girls during a visit to Lagos, Nigeria, Thursday, Nov. 1, 2012. Tennis stars Serena and Venus Williams say they eagerly await playing in the 2016 Olympics after their third doubles gold this year. The two sisters made the comments Wednesday in Lagos, Nigeria's largest city, during their first visit to the country. (AP Photo/Sunday Alamba)

Venus and Serena Williams dance with a group of kids during their trip to Nigeria to promote women's rights.

Venus and Serena Williams dance with a group of kids during their trip to Nigeria to promote women's rights.