21. Terraces and roof gardens can really improve the quality of life in a building, 22. One high-profile example of a building with a roof garden is Chicago City Hall. 23. This summer's roof garden is three times the size of last year's experimental garden. 24. The original plans also called for a roof garden , but it was never built. 25. A variety of tax breaks are being put into effect to encourage roof gardens . 26. The roof garden is not accessible by the public. 27. The building has a roof garden with scenic views of the city for its residents. 28. It was exhibited with 40 other bronze figures in the museum's roof garden in 1999. 29. A few are well known the roof gardens at Victoria at Coppins, Iver, England. 30. Planting roof gardens on tops of building is a way to make cities more efficient.
