Match the halves to build collocations

foothills	road, forest
rocky, mountain, underground	dunes
rock, shallow, 5-metre-deep	cave
rocky, coastal, towering, world-famous	country, trail, soil
sand	canopy
meadow	pools
never-ending	meadow
dense, thick, leafy	picnic, country
snowy, woody, grassy, full-length	slopes
swamp	flowers, brook, road
moorland	cliffs