Zhang Lisheng entered the Mingde Building of Sichuan University and walked through the long corridor with wide doors. In order to maintain the historical flavor of the old building designed and built by Liang Sicheng, a renowned architect, 100 years ago, the numerous repairs that had been carried out had not made too many changes in the main structure. However, in the rooms that were used as offices now, the situation was completely different. Small changes such as circuits and cable installations for the modern office conditions could be seen everywhere.