School of Architecture and Art Hebei University of Engineering Handan Hebei 056038 ChinaHandan Key Laboratory of Architectural Physics and Regional Building Protection Technology Handan Hebei 056038 China;
School of Architecture and Art Hebei University of Engineering Handan Hebei 056038 ChinaHandan Key Laboratory of Architectural Physics and Regional Building Protection Technology Handan Hebei 056038 China;
Historic block; Space syntax; Path connection; Visual environment;