Reverse Fountain Mind Screw

What appears to be an impossibly boundless volume of water is really an illusion created with the aid of a largely invisible acrylic cylinder. William Pye's "reverse fountain", entitled Charybdis (referring to the sea monster of Greek myth), was designed for Seaham Hall of Sunderland, England.

See it in action below.

• Previously, Wave-Shaping Pool Puts Poseidon to Shame.