sunset and twlght over a fast flowing river in mongolia

altraga asia asian beautiful blue canyon countryside delger emptiness environment gorge grass grassland green hill khovsgol lake landscape mapara mongolia mongolian mongolianmanchurian moron mountain murun nature nomad purple rapara reflection remote reserve river rural scenery scenic sky steppe summer sunset temperate tourism travel trees twilight ulaanbaatar ulaantaiga valley view west wild wilderness winding