Figure 1. Singapore, a garden city (source: https://www.smartcitylab.com/blog/urban-environment/singapore-transformation- garden-city/)

Figure 2. The Baiyangdian Lake in the Xiong'an New Area (source: http://www.xinhuanet.com/english/2019- 01/02/c_137715153_14.htm)

Figure 3. A proposed bird observatory and eco-museum in the Xiong'an New Area (source: https://tlslandarch.com/ portfolio_page/xiongan-new-area/)