I like the large tiles for the shower, but instead of stones I think a pretty glass tile pattern would be nice.
Bathroom Compact Grey Wall Tile Accent Background Paired With Big White Freestanding Tub Beside Wooden Bench Flawless White Grey Bathroom Decoration
Pebble flooring is paired with stacked stone walls makes you feel like you are showering in nature! exposed piping running up the wall to the showerhead is really great look. lighting up at the ceiling, gives you great light in the shower.