I love the arch and the bench in the shower. Can frost or use glass blocks on windows if privacy is an issue. I would use a different/larger tile on the back wall and ceiling of the shower. Bench idea in the shower.
zen bathrooms have natural/organic elements such as bamboo flooring, organic woven rugs, rocks or pebbles, and bamboo plants. Bringing these elements into the design helps to create the Zen bathroom. Dream Home,Future H