Case file · Secret facility (alleged)
The 'Great White Pyramid' of Xi'an
A US airman's tale of a giant white pyramid seen in 1945 and a 1947 newspaper photo gave rise to stories of a hidden Chinese mega-pyramid.
1945 CE · 34.34, 108.57 · status: explained
The sceptical view
The photo shows the Han emperor Wu's tomb mound, Maoling, and the 'pyramids' are well-known earthen imperial tombs.