Over 30 million people in China live in caves, and many of them live in the Shaanxi province. Chinese president Xi Jinping reportedly lived in a cave when he was exiled to Shaanxi province during the Cultural Revolution.
The Sinti are a Romani (gypsy) people of central Europe. Traditionally itinerant, today only a small percentage of the group remains unsettled. In earlier times, they frequently lived on the outskirts of communities.