The material contained in this site is copyright of the United Nations. Any uncredited article or information on this Web Site may be copied, summarized or translated into any language providing acknowledgement of its use is made. However, permission must be received from the original author before use is made of any article photograph, drawing, cartoon or other account for which credit is specifically given.

The designations employed and the presentation of the material on this Web Site do not imply the expression of any opinion whatsoever on the part of the Secretariat of the United Nations concerning the legal status of any country, territory, city or area, or of its authorities, or concerning the delimitation of its frontiers or boundaries. The views expressed on this Web Site are those of the authors and do not necessarily reflect the views of the United Nations Secretariat.

Send mail to with questions or comments about this web site.

Copyright © 2013 Economic and Social Commission for Asia and the Pacific, ESCAP. All Rights Reserved.