250 years of change in Beijing revived with maps and photographs.
2012-09-10A minor change was applied to the top page and others.
2012-08-31The current location of temples is more comprehensive in Search by Placenames. Out of 3592 placenames in the database, 3032 have location information.
2008-07-14The website is open to the public. The version number of the map is 1.0.