The ruined engine house of Carn Galver tin mine against the afternoon light, near Pendeen, Cornwall, Great Britain.

Equipment of a goldmine, Dawson City, Yukon Territory, Canada

Puffing Billy Railway crossing the Trestle Bridge, built in 1899, The Dandenong Ranges, Victoria, Australia

Rasender Roland, Ruegen narrow gauge train, historic steam-powered narrow gauge railway and tourist attraction at the entrance to Baabe station, Ruegen, Mecklenburg-Western Pomerania, Germany, Europe

Krones AG company, producing bottling plants, plant in Neutraubling, Bavaria, Germany, Europe

Krones AG company, producing bottling plants, plant in Neutraubling, Bavaria, Germany, Europe

Sunken excavator. Despite not being heavily colonized by marine species, it can be considered a wreck, or an artificial ecosystem of scenic interest for divers. Underwater bottoms of Tenerife, Canary Islands.

Photovoltaic panels installed on the roof of a farm building against a blue sky with light clouds, France

Photovoltaic panels installed on the roof of a farm building against a blue sky with light clouds, France