Guide Rick Philips by a map of the underground waterways, known as ‘ruien,’ subterranean canals in Antwerp, Belgium

Guide Rick Philips by a map of the ‘ruien’ the underground canal system in Antwerp, Belgium.

A guide stands by a map of the underground canal system in Antwerp, Belgium. The canal system is known as the “Antwerpse Ruien” and can be toured in groups.