twins 雙胞胎

Twins - Portrait Gallery - Pictures, More From National Geographic Magazine
http://ngm.nationalgeographic.com/2012/01/twins/schoeller-photography

National Geographic twins: Johanna and Eva's beaming eyes painting a beautiful picture of sisterly love | Mail Online http://www.dailymail.co.uk/news/article-2079492/National-Geographic-twins-Johanna-Evas-beaming-eyes-painting-beautiful-picture-sisterly-love.html