One of the walls inside of the bathtub
large white porcelain tub
large squares on brown marble lining walls
white bathtub in bathroom 
tiled walls of bathtub 
View, showing aspects of well-appointed bathroom. 
Marble-looking tile, on bathroom wall. 
Opulent tub, inlaid within three walls. 
white bathtub in tiled enclosure
A porcelain bathtub
small bathroom with tan walls and tan tile, including a tub and sink