nho que river, ma phi leng pass, the most famous and beautiful pass in vietnam, asian mountainous countryside scene

valley mountain highland fjord plateau lake landscape wilderness nature fell alps river reservoir hill ridge tarn mountainous fog winter cold village remote travel vietnam border clouds sky natural road craggy zigzag agriculture farming fields scenic wild asia old forest trees path explore minority indigenous local day season majestic wonder sights tourism stream bridge sunshine cliff asian countryside scene scenery province vietnawm villages rice terraces kitchen smoke hut confluence climate tropical pass famous beautiful scenerural giang rural NhoQue MaPiLeng river