Chand Baori, Stepwells, India. 階梯井, 印度.

1,200-year-old well,  in Abhaneri, India.

Well I never! Incredible man-made watering hole in India features maze of seemingly never-ending steps | Mail Online http://www.dailymail.co.uk/news/article-2269135/Well-I-Incredible-man-watering-hole-India-features-maze-seemingly-ending-steps.html

Chand Baori - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Chand_Baori

Stepwell - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Stepwell

印度阶梯井_百度百科 http://baike.baidu.com/view/6981283.htm