This bathroom sink was designed with a transparent glass bottom
Hiomiestiy Bathroom Vessel Sink, Round Tempered Glass Vessel Sink Vanity Above Counter Top Mount Basin with Black Faucet and Pop up Drain Combo Grey - Amazon.com
Design Element Portland 61" Wall Mount Bathroom Vanity with Vessel Sinks - Espresso | Free Shipping - Modern Bathroom
KLINCAIR Vessel Sink Artistic Tempered Glass Vessel Sinks Basin Bowl Set with Metta Black Faucet & Pop-up Drain | Top Mount Bathroom Sinks Above Counter for Wash Hand Basin (Ocean Blue) -