Conical baths

Here's a little drawing of a bunch of people soaking in a bath, or maybe a flooded tunnel.
It's one of a series, exploring this strange private world of mine.

In this version, I've taken the drawing into photoshop and done color washes over it, as in this piece here:

(click to enlarge)

And here's the original ink wash painting with line drawing , for comparison.

(click to enlarge)

(update, adding the color version)