doesn't need to be covered if carefully appointed... baskets do a lot... add paint or texture to back wall and use wood for shelves...
wood crates to store towels and bathroom items
Unique Air Plant Vessels
Wall Option #2: hanging succulents (6-8 straight across the wall in a horizontal line) - white ceramic + leather strap and light and polish to a dark wall - plants add element of movement and softness to a space
Love the shelves in the shower: convenient storage without bottles balanced on the tub rim or baskets hanging into the showering space, begging for elbows to bump into them.