National Geographic : 1942 Nov
The National Geographic Magazine Basalt Columns, Limestone Flags, and Clay Filling Seal a Crypt for Centuries Here ancient bones reposed in a shroud of brilliant cinnabar amid masterpieces of the jade carver's art (pages 639-642). Figurines of vivid green and translucent blue jade were turned up. The builders tried to make the tomb burglar-proof by fitting the stones closely together and packing it with clay. 636 S:.