Amplified urban heat island effect in southern china’s old towns following atmospheric regulation policies - Junxiao Zou; Hans W. Chen; Haodong Li; Qiao Wang; Guoqiang Wang; Kun Jia; Ziyue Chen; Chuanfeng Zhao; Wenzhong Shi; Yinshan Yang; Yahui Tang; Jiayi Chen; et al. (Sustainable Cities and Society, 2025)