Soca River with clear emerald water flowing between eroded rocks in Trenta Valley in summer, Triglav National Park, Julian Alps, Slovenia, Europe

color image contemporary day eroded erosion europe julian alps landscape landscapes national parks natural world nature nobody outdoors photography river rivers rocks rocky scenics slovenia soca soca river topography travel travel destinations trenta valley triglav national park vertical water color colour daytime eu eu european european union outside slovenian south east europe southern european