"The pilgrimage chapel, one of the architect's most published and memorable images, with its dramatic curving dark roof and white-washed concrete sculptural surfaces, is a manipulation of forms, and light and shade, which illuminates the interiors through carefully placed openings in the walls."
--Khan, H. (2001). International style: Modernist architecture from 1925 to 1965. Koln: Taschen, p.167.