( CNN ) -- Global warming and environmental concerns are some of the themes being explored at a major exhibition of African photography . The Bamako Encounters African Photography Biennial , held in the Malian capital of Bamako , has gathered together the works of some of Africa 's finest photographers and videographers . The exhibition has been held every other year since 1994 , but this year 's show features a number of works examining ecological issues . In pictures : Life in 'trash land ' captured by photographer . A series of works entitled `` The Hell of Copper , '' by Burkina Faso-born Nyaba Léon Ouedraogo , shows how a dump in Ghana 's capital Accra is used to dispose of electronic waste from Europe and the United States . `` A Look , '' by Congolese photographer and filmmaker Kiripi Katembo , shows flooding in the Congolese capital of Kinshasa . `` Climate change , '' by Nyani Quarmyne , shows a resident of a Ghanaian fishing village sitting on top of his home -- which is rapidly disappearing beneath the sand as the sea encroaches on the village . The exhibition is supported by the Insititut Francais and runs until 1 January 2012 .
CNN exhibition shows the best in Ghanaian photography . Sustainability and environmental concerns are among the themes explored . ` `` The Hell of Copper by Burkina Faso-born Ouedraogo , shows e-waste being dumped in Bamako .