In 1940 Rotterdam was target of a bombardment which actually was suspended. Due to a miscommunication the pilots had already taken off and the bombs hit the city for a short 15 minutes. However the damage was huge! Walk along the De Brandgrens (The Fire Boundary) in Rotterdam. You can start this tour from several locations. For instance the Witte de Withstraat. The street paths are marked with red lights with a fire symbol. Here is the location!