beautiful panorama of colorful forest and snow cover remains unmelted at yading nature reserve

air april asia attraction autumn background beautiful beauty blue china cold colorful cover daocheng daochengyading destination foliage forest fresh green hiking ice landscape last leaf leaves mountain mountains national nature panorama peak plant remains reserve rocky scenery scenic season serene shangri shangrila sichuan sky snow snowy spectacular spring springtide springtime tibetan tops tourism travel tree treetops unmelted valley yading