The International Webinar on Contemporary Architecture and Urban Planning (Approaches and Challenges) was held in collaboration with the International Scientific Cooperation Management, the Faculty of Art and Architecture of Kharazmi University and the Cultural Association of the Austrian Embassy on Tuesday, December 16th, through the university LMS system. In this webinar, Dr. Keshtkar from Kharazmi University and Mrs. Khatibi from Vienna Academy of Fine Arts were the main speakers and spoke about the relationship between mass and space in architectural and urban structures as well as the endless city (Otto Wagner). The program, which was hosted by Dr. Ahmadgoli, Director of International Scientific Cooperation, and Dr. Ali Tahaei, was well received by enthusiasts from all over the country.