Elevated walkways in Hong Kong:

I watched a video from Hong Kong city center that was about elevated walkways in that area. I noticed that this kind of structure has considerably helped to the traffic flow, make it safe and quick for pedestrian to cross the streets and has provided good view for them.This is a suitable structure for dense areas like Hong Kong. On the other hand I noticed that this structure could block the motor vehicles view to buildings and street.According to  Rotmeyer (2006) elevated walkways could affect the vitality of streets when pedestrian became seperated from it.Furthermore in dense areas like Hong Kong city center with high rise bulidings the air movement is low especially at the street level and elevated walkways could perform as a barrier to make it worst (Department of Architecture Chinese university of Hong Kong 2005). Therefore these problems should be considered to adjust this effective structure to dense areas like Hong Kong. 

Sources:

  https://www.youtube.com/watch?v=uZK85yQY2J0

- Rotmeyer,J 2006,The sustainable city,WTI press publishing, United Kingdom.

- Department of Architecture Chinese university of Hong Kong 2005, Establishment of Air ventilation Assessment System, china, accessed 11 May, <www.pland.gov.hk>