1 | Wrocław University of Environmental and Life Sciences, Institute of Landscape Architecture, ul. Grunwaldzka 55, 50-357 Wrocław, Poland |
2 | Wrocław University of Environmental and Life Sciences, Institute of Environmental Protection and Development, pl. Grunwaldzki 24, 50-363 Wrocław, Poland |
3 | Hunan Agricultural University in Changsha, Horticulture & Landscape College, No.1 Nongda Road, Furong District, Changsha City, Hunan Province, P.R. China |