rainbow shoal at sunset

altai autumn background bank beautiful burqin china chromatic color colorful colors dawn dawning daybreak daylight dusk ecology environmnet erode erosion evenfall evening fairyland fall forest geologic gold golden hill hills lake lakeside landform landforms landscape light look mountain nightfall northwest peace peaceful rainbow red rivebank river riverside rock rocks shades shadow shadowy shine shoal side soil stone stream sunrise sunset sunshine tree trees view vision water waters weather weathering wild wind wonderful xinjiang yadan yardang yellow