wudalianchi, china, october, 18, 2017. lava field in wudalianchi global geopark in northern china in cloudy weather. a piece of la

autumn china chinese clouds cloudy county deserted environmental field formations global grass heritage hiking landscape lava morning mountain nature nobody northern october outdoor overcast parts people piece province republic resort rock scenery scenic sky spiral spiraling stone tourism trail travel trekking two unesco valley view volcanic volcano wudalianchi yaoquan