Thunderstorm is coming at Bollenwees refuge, Canton of Appenzell, Alpstein, Switzerland, Europe

vertical travel destinations bollenwees refuge appenzellerland canton alpstein switzerland europe outdoors day mountain valley landscape building exterior building architecture river water storm cloud moody sky pine tree forest tree house hill no people building exteriors architectural exterior architectural exteriors architectural buildings daytime forests trees travel travel destination tourist destination tourist destinations hills physical geography houses home homes residence residences household households landscapes mountains nobody no one no person outdoor outside pinetree pine pines pine trees coniferous tree coniferous trees coniferous rivers flowing water