two poplars on a pebble shore against the background of the river and blue mountains. sayans, siberia, russia.

two poplars pebble shore background river blue mountains sayans siberia russia mountain nature copy space tourism travel landscape poplar sayan hiking adventure beautiful tree scenic water forest outdoor fall green sky summer reflection scenery colorful view flowing panorama environment morning season natural park peaceful sunshine tranquil climate ecology foliage light peak rocky stream sun sunlight sunset