kriens city top view in switzerland.

adventure alps architecture attraction beautiful bird blue building cable car city cityscape clouds country day destination destinations europe eye green hang happy holyday houses krien kriens landmark landscape lift lucerne luzern morning mountain mountains nature neighborhood old pilatus railway relax rope ropeway rural scene scenery scenic sightseeing sky stunning suburbs summer sunny swiss switzerland top tourism town tranquil transportation travel trip urban vacation vierwaldstacurren ttersee view village winter