The increase in flooding in Venice is due to the combined effects of land subsidence causing the city to sink, and climate change causing the global sea level to rise. Whenever water breaks through the stone damp-courses that protect most Venetian buildings, it seeps into the porous brickwork. All over Venice, walls are dissolving. Foundations are being scoured out by quick-flowing tides and the effects of wakes from large cruise ships. Is Venice to be the next lost Atlantis?