Who doesn't love a hedge maze? High green walls, shaded walkways, and a puzzle to solve — these sprawling topiary gardens have enchanted visitors for centuries. Hedge mazes were once reserved ...

But at certain points through winter 2024, beneath the park, a huge cistern 17m ... and reduce surface flooding (Credit: Barcelona Water Cycle, Barcelona City Council) Spain has a long history ...

But at certain points through winter 2024, beneath the park, a huge cistern 17m (58ft) deep becomes filled with cloudy rainwater. These are the two extremes the city finds itself in, where there ...