[Zheng, Bohong;Li, Jiayu] Cent S Univ, Sch Architecture & Art, Changsha 410083, Hunan, Peoples R China.^[Liu, Luyun;Li, Zilong] Cent South Univ Forestry & Technol, Landscape Garden Coll, Changsha 410004, Hunan, Peoples R China.^[Chen, Xiao] Hunan Agr Univ, Coll Sports & Art, Changsha 410128, Hunan, Peoples R China.