“…Questionnaire results considering the effects of spatial characteristics of open space inside WPE indicate that employees prefer natural over built characteristics. Natural spatial characteristics in the open space are far more important for its calming effects than built ones, which is well-stressed in general literature [4][5][6]8,[10][11][12][13]15,16,23,30,33,34,39,41,53]. Considering WPE there is far less research on this topic, but all the existing research supports these assumptions [4,7,9,12,13,18,23,25,30], as well as the results of this research, regarding the specific WPE.…”