Peek among the undergrowth and you'll see magnificent nests, built by bowerbirds as a tunnel of twigs surrounded by a courtyard, elaborately decorated with bones and shells plucked from the limestone gorge walls.
The process results in what he refers to as "paint-less paintings" – large plastic tapestries that also incorporate other salvaged waste items, such as discarded electrical goods or wood, bones and shells gathered from the coastal neighbourhood where he lives and works in the capital, Accra.
Prehistoric implements used for cutting, hunting, and defense were fashioned from stone, especially flint; from obsidian, a volcanic glass; and from bones and shells.
The reserve offers free guided tours of the cave four days a week, during which visitors can see some of the fossils and artifacts that have been unearthed over the years -- from bones and shells to early Hawaiian fish hooks and tools.
Scientists have analysed 196 samples of bone, charcoal and shell from 40 key Neanderthal sites from Spain to Russia and concluded that this species of thick-set humans who adapted to cold climates disappeared throughout this entire region before 39,000 years ago.
They don't like dealing with food directly, touching it, cracking it, sucking on bones and shells.
The most common types are wood, bones, and shells.
They are usually located near middens, out of which animal bones and shells are eroding.
Vale Boi has a long sequence dated to between c. 32 and 7 ka cal BP with well-preserved bone and shell assemblages from early Gravettian to Neolithic times.
