atmospheric bare barren bleak brooding dark glacial glaciation gray grey heather highland hill hills moor moorland mountain mountains rock scotland scottish sky steep tree trees u shaped valley blue branch branches brown chainsaw chop clear cleared clearing devastation fell felled green log logging logs saw Stump tangle timber trunk ancient artificial bare.bleak desert dry exercise harsh historical Israel landscape line Massada old rocky roman sere siege slope tour group tourism tourists trail Trek walk austere canada cliff cold difficult environment extreme face forbidding freezing frozen glacier icicles icy mountainside natural nature Rockies Rocky Mountains severe snow stern stream water bark boulder cloud desolate dolomites enigmatic exposed hidden Italy jagged mist misty mysterious peak remote wild archaeology danger Dead Sea hard heights Herod palace plain Remains ruins stark summer view yellow