“…Previous studies from China indicated that visible indoor greenspace is beneficial for mental heath in the workplace (Jia et al, 2018;Xue et al, 2016), while the visible outdoor greenspace around work places has no significant impact on mental health (Wu et al, 2021). Since most people work in indoor environments (e.g, high-rise buildings) in inner-city districts of Guangzhou (Zhou and Peng, 2020), one possible explanation for our findings relating to workplaces is that adults spend most of their time working indoors in China and thus are not influenced by the outdoor surrounding environment. Hence, previous studies indicated that visiting greenspace for leisure may encourage people to take physical activity which in turn reduces stress (Orsega-Smith et al, 2004;Wilhelm Stanis et al, 2009).…”