What is a sunken bath tub? is it the same as bath tub?

A sunken tub is built into the floor at floor level, so you step down into it rather than stepping over the side to get into it.What is a sunken bath tub? is it the same as bath tub?
this rarely in normal house.. only in mansions and normally its a massive spa type pool almost... not really a bathtub..





but on the otherhand in China sunken toilets are popular... thats why all chinese people have good flexibility with their hamstring :PWhat is a sunken bath tub? is it the same as bath tub?
The top of the bath tub is level with the floor.
A normal bathtub = bottom of tub sits on the floor.


Sunken bathtub = the tub is sunken into the floor so that


the top rim, or top edge, is on the


same level with the floor.
no a sunken bath is sunk into the floor. i dont like these. pain to take out too.

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