定額

Tinto River, acidic waters, Huelva province, Spainの素材 [FY31059700830]

acid acid water background banks blue chemistry colorful colors contamination content contents copper current day ecological ecology ecosystem ecosystems environment europe exploitation flat funds gold highlights historical history huelva huelva province iron landscape liquid liquids minerals mines mining natural nature old outside panoramic parts of the world place places plains red reds reflection resource resources rio tinto riotinto river rivers rock rocks scenery shore silver spain spanish stone stones sulfur tinto tone tourism tourist travel trip vegetation view views water world yellow