BDU graduates say goodbye to their alma mater by using the dormitory light to spell Chinese characters

On the evening of June 1, 2007 at 10:00 PM, on the north side of the new No. 1 Student Dormitory Building at Beijing Institute of Technology, a pattern formed by the lights of Room 208 appeared before people's eyes. In less than 15 minutes, the lights in the new No. 1 Student Dormitory Building changed five times continuously. Through turning the lights in different rooms on and off, five characters were formed - "Goodbye, Beihang University".

This was a completely student-initiated...