Could we one day live in cities made entirely of giant sequoias?

In the late 21st century, the first living cities were established in the urban forests around Portland, Oregon. Sequoia City consisted of 40 trees, including a hospital tree, a school, a farm, and recreational facilities (zip lines, slides, and high swings). As it grows, the residential tree will eventually house dozens of families, living in custom-built rooms made from living plant tissue. Children growing up in Sequoia City did not distinguish between humans and other life forms. For them, ecology, the study of life in relation to…