Impressive vertical garden built in one of the most emblematic hotels in the capital of Spain.This vertical garden, inspired by the ancient Hanging Gardens of Babylon, is unique in the world for its size and the spectacular waterfall over 20 meters high, and is currently nominated for the Guinness Book of Records as the largest vertical garden in the world.Located in the heart of Madrid, this garden and the spectacular waterfall constitutes a green lung and a haven of peace and quiet unexpected in one of the most busy and noisy areas of the city.