A shipyard worker walks across the construction hall after attending the keel laying ceremony of the new polar research vessel the Sir David Attenborough, at the Cammell Laird ship yard in Birkenhead, northern England. Photo Phil Noble/Reuters
Workers prepare the launch of the Russian diesel-electric attack submarine Stary Oskol at Admiralty shipyard, St Petersburg
Small boats sit on the shore of Guanabara Bay in the suburb of São Gonçalo, across the bay from Rio de Janeiro, Brazil. The bay was home to a thriving artisanal fishing industry and popular palm-lined beaches as recently as the late-1970s, but has become a watery dump for waste from shipyards and two commercial ports.