On December 11, 2006 Angan organized its 43rd event titled "Sustainable High-rise"' by Professor Mir Maqsud Ali, PhD, School of Architecture, University of Illinois, Urbana Champaign, USA. Mr. Ali talked about the issue of making tall buildings sustainable. Starting with a bit of history, he discussed that high-rise buildings should be sustainable in terms of their design, the construction process, their operation and the impact on the community. Professor Jamilur Reza Choudhury, VC, BRACU, Dr Salehuddin Ahmed, Pro-VC, BRCAU, Dr. Fuad H Mallick, Chairperson, Department of Architecture, Dr. Zainab F Ali, Associate Professor, Department of Architecture, teachers and students of the Department of Architecture attended the event.