Nature connectedness connects the visibility of trees through windows and mental wellbeing: a study on the "3 visible trees" component of the 3-30-300 rule. - Li, Hansen; Browning, Matthew H. E. M.; Bardhan, Mondira; Ying, Mingyue; Zhang, Xing; Cao, Yang; Zhang, Guodong (International Journal of Environmental Health Research, 2024)