“…1. The literature can be divided into three categories: (1) discussing UUS utilisation in both new towns and other urban areas (Duffaut, 2006;Jung et al, 2015;Kim and Byun, 2021;Li et al, 2013;Li et al, 2016;Ling, 2012;Luo et al, 2020;Miyoshi et al, 1979;Qian, 2016;Qiao and Peng, 2016;Wallace and Ng, 2016;Xu et al, 2015;Yang and Peng, 2016;Zhang, 2018;Zhang et al, 2019b;Zhao et al, 2014); (2) discussing both ground and underground spaces in new towns (Anderson, 2015;Antonson et al, 2017;Cervero, 1995;Cho and Kim, 2017;Clout, 1988;Firman, 2004;Gohaud and Baek, 2017;Hao et al, 2019;Jun, 2012;Jun et al, 2013;Kim and Song, 2015;Lee and Yoon, 2019;Lee et al, 2005;Marti and Masnou, 2014;Merlin, 1980;Ong, 2014;Park, 2011;Qian, 2011;Rumbach, 2014;Seelig, 2011;Seik, 2001;Sun and Hu, 2011;Wang and Heath, 2010;Wu et al, 2019;Xue and Zhou, 2007;…”