World news: Peruvian rituals, ancient African trade, and terracotta warrriors
A round-up of the some of the latest archaeological discoveries from across the globe.
Chincha Valley
Archaeologists in Peru find 500-year-old human spines threaded on to posts
The vertebrae-on-posts, which have been found at indigenous burial sites around the Chincha Valley, are believed to be connected to ideas about bodily integrity after death