sunset in the valley of corn field after harvested at khao yai national park, nakhon ratchsima, thailand. calm valley during sunri

agriculture arid background beautiful blue calm clouds cloudy countryside dawn evening farm field fog forest grass hill khao landscapes light meadow morning mountain mountains nakhon national natural nature nobody outdoors park ratchasima remote rural scenery scenic silhouette sky summer sun sundown sunlight sunrise sunset thailand travel tree trip valley yai