For example, a kilometre-long park, on top of a shopping centre, on top of a dyke. Maybe it is easier said than done, but that didn’t stop Rotterdam from creating the Dakpark, Europe’s biggest rooftop ...

Rotterdam is Europe's biggest port ... prompted state water company officials to set up a help centre in a car park at Maassluis. "Swans are pretty big birds. They need a lot of space and a ...