London (AFP) June 3, 2015A Chinese company has been selected to help build the world's first artificial tidal lagoon to generate clean electricity for British homes, the company behind the project said Wednesday. Tidal Lagoon Swansea Bay plc (TLSB) named China Harbour Engineering Company Ltd (CHEC) as preferred bidder for a Pounds 300 million ($548 million, 412 million euros) contract for the proposed plant. The Pounds 1 bi