When Huang Ta-chou was mayor of Taipei he encouraged everybody to plant trees so that city would lose its reputation as a "concrete jungle." For a while a lot of public buildings had a wall or two covered with vines.
前任台北市長黃大洲為了一改台北「水泥森林」的稱號，鼓勵大家種樹，有一陣子可以見到許多公共建物上到處長滿爬牆虎。