Tunnel Ganzenmarkt.

Moving Light's at the Ganzenmarkt tunnel

Oudegracht

The Oudegracht, or "old canal", runs through the center of Utrecht, the Netherlands. It starts in the southeast of the city. Here the Kromme Rijn (the original main bed of the Rhine river) and the Vaartse Rijn (a medieval canal reconnecting Utrecht to the newer main stream of the Rhine, the Lek.