austere canada hard harsh ice landscape mountain natural nature rock Rockies snow biotype bushes ecology euphorbia Greece Greek habitat hillside karst limestone plants rocks rocky rough spring Australia desert hot plant red sand shrub sky terrain vegetation wild bleak cold hill moor moorland path stormy track trail wales welsh winter azure barren coastline formation horizon lake Natural landscape norway sea shore water alone arid contemplate dry green hot warm road shimmering south succulent bare Israel plain sere topography Balearic Islands coastal dangerous majorca mediterranean Spain trees view white hills Jerusalem Judean wadi wilderness