bps6162 has added a photo to the pool:

Focus stack (0 images) Shot with single off-camera strobe (Godox AD200Pro/XPro II L trigger) bare bulb, mounted on overhead boom.
shot for Looking Close on Friday – bottom of bottle
Source : https://www.flickr.com/photos/99228543@N04/55632964139/in/pool-912056@N21
