State of Conservation
3
Reports
2
Properties
1
States Parties
Threats* :
![](/web/20170131094934im_/http://whc.unesco.org/uploads/states/small/ma.gif)
Year: 2010
Other Threats: The origin of the collapse could be attributed to a combination of different factors such as insufficient dimensions for the foundations, instability of the ground, probable gradual degradation of the land through lack of drainage and/or possible leaks in urban water pipes of the surrounding area of the building, and finally, sudden infiltration of this ground due to very heavy rainfall a few days prior to the accident
Document Source: WHC-10/34.COM/7B.Add
![](/web/20170131094934im_/http://whc.unesco.org/uploads/states/small/ma.gif)
Year: 2004
Other Threats: The general state of conservation of the property is a cause for concern
Document Source: WHC-04/28.COM/15B
* :
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.