Переведите на .без переводчика sea levels are rising , and some major cities - like new york and london - are in danger . there aren't any easy answers to this problem , but scientists are looking at some possibilties . for example , the strange thinks in the photo are called lilypad cities and they float on the surface of the ocean . they're a kind of eco-city . they only use clean energy , so they don't create any pollution . and there aren't any cars - in fact , there aren't any roads . but there are some footpaths . when the residents want some exercise , they go for a walk in the artificial mountains . there are certainly some big advantages to living in a lilypad city . but sadly , there aren't any plans to build one yet .
