Please don't adjust your screen this is not an optical illusion. Two identical twin brothers present flowers to identical twin sisters at their wedding ceremony in Fuyang's Yingzhou district, East China's Anhui province, Sept 9, 2012. Zhang Huaping married to Gao Lei, and her twin sister, Zhang Huaying, married to Gao Lei's twin brother Gao Yu. The twins were introduced by an aunt in March this year and they fell in love twice. The double wedding left many wondering if they will have identical babies? [Photo/Xinhua]

Seeing double? Twin brothers and twin sisters pour champagne at their wedding ceremony in Fuyang's Yingzhou district, East China's Anhui province, Sept 9, 2012. [Photo/Xinhua]