Colombia, Piraparana, Tukano indians returning to Piedra Ni.

Colombia, Piraparana, Piedra Ni, Tukano indian with paddle.

Colombia, Piraparana, Documentary film-maker Brian Moser greets a Tukano indian in the community of Piedra Ni.

Colombia, Piaraparana, Tukano indian pushes canoe out.

Argentina, Neuquen, Vaca muerta region, Unconventional onshore drilling rig.

Argentina, Neuquen province, Storage and processing facility for sand used in onshore unconventional oil and gas production.

Market stall in Neuquen selling crystals and jewelry.

Argentina, Neuquen Province, Vaca Muerta, Oil and water storage tanks for onshore unconventional oil and gas production.

Argentina, Neuquen Province, Vaca Muerta, YPF personnel walk past oil and water storage tanks for onshore unconventional oil and gas production.

Azerbaijan, offshore Caspian sea, Drilling rig preparing to undertake exploration drilling.

Azerbaijan, Control room of exploration drilling rig in the Caspian sea.

Azerbaijan for world's first industrially drilled oil well , Sign in Baku.