Trees, forest and vast meadow in the big river in the wide valley of Asian geography.Stream brook creek fluvial potamic water swamp marsh quicksand bog quagmire mire morass wetland woods wood tree woodland grassland prairie moorland meadow wold pasture steppe plateau tableland lowland plain elevation large terrain topography long cinematic background landscape view nature natural real true color simple standard ambience Central Asia Mongolia Mongolian Siberian Siberia Russia Russian China Chinese Kazakhstan Turkmenistan Uzbekistan Kyrgyzstan ob biya katun yenisey yenisei lena enisei jenisej angara selenge irtysh olenyok kolima vyatka volga aerial drone flying overhead. UHD 4K 3840X2160