This story appears in the April 2011 issue of National Geographic magazine. On the remote Peruvian island of Taquile, in the middle of the great Lake Titicaca, hundreds of people stand in silence ...

Mr Guaygua is in charge of tourism and culture in the town of Tiquina. Tiquina lies on the shore of Lake Titicaca, which covers more than 8,500 sq km (3,300 sq miles) and creates a natural border ...