mountain road to sunset at ( phu tubberk) in phu hin rong kla national park phetchabun province asia thailand

art asia asian beautiful breathtaking cloud countryside curl curve danger deep direction drive engineering fog green high hin kla landscape line loop mist mountain mountainous national nature north park pass path petchabun phetchabun phu phutabbruk province road roadway rock rong route scenery scenic summer sunset thai thailand transport transportation travel trip tubberk turn vacation valley view vista way winter x28 x29