© Licensed to London News Pictures.12/11/2013. London, UK. Wellcome Collection employee looks at a 'Fossil Necklace' made by Scottish artist Katie Paterson at the Wellcome Collection's Foreign Bodies, Common Ground exhibition. Each of its 170 beads, carved from individual fossils, represents a mayor event in evulotion of life. The exhibition features works exploring health by artists from six countries, made during residencies in medical research centres in Malawi, Vietnam, Kenya, South Africa, the UK and Thailand. Photo credit : Peter Kollanyi/LNP