The 9 Most Influential Buildings of the Decade

The towers stand 80 and 112 meters high. In addition to regular monitoring, once a year, a crew of arborists/climbers dubbed the "Flying Gardeners" descend from the roof of the buildings to assess plant health. According to the firm, "A few years after its construction, the Vertical Forest has given birth to a habitat colonized by numerous animal species, including about 1,600 specimens of birds and butterflies."