Jose B. Ruiz / Fig leaf in water from the Ro Tinto, or Red River, very acidic and coloured deep red by iron dissolved in the water that drains from the local Riotinto mines causing severe environmental problems. Hue...

Jose B. Ruiz / Ro Tinto, or Red River, very acidic and coloured deep red by iron dissolved in the water that drains from the local Riotinto mines causing severe environmental problems. Huelva, Spain .

Jose B. Ruiz / Water from the Ro Tinto, or Red River, very acidic and coloured by minerals dissolved in the water that drains from the local Riotinto mines causing severe environmental problems. Huelva, Spain

Jabruson / Tropical rainforest ground layer vegetation and buttress root system, Odzala NP, Congo, Africa