State of Conservation
19
Reports
4
Properties
1
States Parties
Threats* :
![](/web/20170131010439im_/http://whc.unesco.org/uploads/states/small/mx.gif)
Year: 2007
Other Threats: Water and environmental pollution
Document Source: WHC-07/31.COM/7B
![](/web/20170131010439im_/http://whc.unesco.org/uploads/states/small/mx.gif)
Year: 2006
Other Threats: a) Urban decay of the Historic Centreb) Water and environmental pollutionc) Lack of monitoring systems
Document Source: WHC-06/30.COM/7B
![](/web/20170131010439im_/http://whc.unesco.org/uploads/states/small/mx.gif)
Year: 2004
Other Threats: Deterioration of a unique and severely degraded cultural landscape
Document Source: WHC-04/28.COM/15B
![](/web/20170131010439im_/http://whc.unesco.org/uploads/states/small/mx.gif)
Year: 2003
Other Threats: Deterioration of a unique and severely degraded cultural landscape
Document Source: WHC.03/27.COM/07B
![](/web/20170131010439im_/http://whc.unesco.org/uploads/states/small/mx.gif)
Year: 2003
Other Threats: Fire in December 2002
Document Source: WHC.03/27.COM/07B
![](/web/20170131010439im_/http://whc.unesco.org/uploads/states/small/mx.gif)
Year: 1994
Document Source: WHC.94/CONF.001/03B Add.2,WHC.94/CONF.003/06 Add,WHC.94/CONF.003/06
![](/web/20170131010439im_/http://whc.unesco.org/uploads/states/small/mx.gif)
Year: 1997
Document Source: WHC.97/CONF.208/04B,WHC.97/CONF.204/02B,WHC.97/CONF.208/08B
* :
The threats indicated are listed in alphabetical order; their order does not constitute a classification according to the importance of their impact on the property.
Furthermore, they are presented irrespective of the type of threat faced by the property, i.e. with specific and proven imminent danger (“ascertained danger”) or with threats which could have deleterious effects on the property’s Outstanding Universal Value (“potential danger”).
** : All mission reports are not always available electronically.