How Green Walls Work Illustration by Jason Treat, National Geographic. Many living wall systems also have built-in irrigation systems in which water is harvested at the bottom of the wall and recirculated back to the top.The types of plants on green walls differ, but can include grasses, vines, and other climbing plants—all of which must have strong root structures, Green Roofs for Healthy Cities'.
An oak pergola, weathered to an attractive silver gray, marks the entrance to the house, ushering visitors down a York stone pathway. Traditional herbs of lavender, purple sage, and bronze fennel line the beds, heralding back to the site’s agricultural roots. At the end, a glazed ceramic urn provides a focal point. Photo by: Elliot Hook.
Relevância: 2 / Tags: corpo humano, sangue, veias, direção, ciclo / Descrição: "blueprint" do braço de um ser humano, mostrando as veias internas por onde o sangue circula. Um paralelo onde as veias são as ruas e os caminhos de uma grande cidade e os glóbulos vermelhos do sangue são as pessoas.