accommodation angles apartment-blocks apartments architecture box-like boxed connected connections distinctive elements exterior external foliage glass greenery height high hill hillside hilltop homes houses light linear lines modern modernistic mountains mountainside mountaintop multi-storey multi-story perspectives plain sloped slopes squared straight structure structured style trees units views walls windows altitude boulder colorado elevation landscape Mount Evans mountain panorama range road rock Rocky Mountains sign usa view activity cloud cumulus debris fun hike hiker hiking natural nature path rocky rugged sky track trail Trek walk walker walking scenic tree vista canada chairlift Coast Mountains snow snowy summit top