Turkey dam plan causes controversy
2 June 2013 Last updated at 16:09 BST
Turkey has little oil or gas and faces a challenge to meet the future energy needs of a rapidly-growing economy.
Part of the answer seems to be hydro-electric power and the government is planning a dam that will increase electricity supply by 2%.
But the scheme will flood an ancient town - damaging industry and tourism in the process, as Jeremy Howell explains.