Michael Walker. 2001. Excavations at Cueva Negra del Estrecho del Rio Quipar and Sima de las Palomas del Cabezo Gordo: two sites in Murcia (south-east Spain) with Neanderthal skeletal remains, Mousterian assemblages and late Middle to early Upper Pleistocene fauna. In Milliken, S. & Cook, J. (eds.) A Very Remote Period Indeed: Papers on the Palaeolithic presented to Derek Roe. Oxford: Oxbow Books

Photos from an Earthwatch (Europe) volunteer participating in Professor Walker's 2001 excavations at Cueva Negra del Estrecho del Rio Quipar and Sima de las Palomas del Cabezo Gordo
* Interior of the caves
* Exterior of the caves
* Sieving and sorting
* Fossils

Photos of the 2001-2002 gallery exhibition moving around the top museums and galleries across Europe. These photos were sent by the director of the Sima de las Palomas del Cabezo Gordo and Cueva Negra expeditions, Professor Michael Walker, to Earthwatch (Europe), who were his main sponsors. Professor Walker kindly gave permission in person for them to be reproduced here.