“…According to the aforementioned discussion, POS is assumed to improve elderly people's health by providing natural elements with a pleasing appearance and organized surroundings for relaxation [8,22] (Figure 1). Therefore, an aesthetically pleasing appearance is a primary consideration in the dimension of contact with nature, which includes the crucial criteria of high-density vegetation [13,34,41], high-quality vegetation [11,23,34,42,43], water features [13,42,43], waste management [8,11,13,23,34,35,43], natural art design [22,34,44], and microclimate [11,23,42].…”