In 2007, local residents of Macao wrote a letter to UNESCO complaining about construction projects around world heritage Guia Lighthouse (Focal height 108 meters), including the headquarter of the Liaison Office of the Central People's Government in the Macao Special Administrative Region (91 meters).
UNESCO then issued a warning to the Macau government, which led former Chief Executive Edmund Ho to sign a notice regulating height restrictions on buildings around the site.

In 2015, the New Macau Association submitted a report to UNESCO claiming that the government had failed to protect Macao's cultural heritage against threats by urban development projects.
One of the main examples of the report is that the headquarter of the Liaison Office of the Central People's Government, which is located on the Guia foothill and obstructs the view of the Guia Fortress (one of the world heritages symbols of Macao).
One year later, Roni Amelan, a spokesman from UNESCO Press service, said that the UNESCO has asked China for information and is still waiting for a reply.

In 2016, the Macau government approved an 81-meter construction limit for the residential project, which reportedly goes against the city's regulations on the height of buildings around world heritage site Guia Lighthouse.

Professor at Stanford University Dr. Ming K.Chan (Chinese: 陳明銶) and professor at University of Macau Dr. Eilo Yu (Chinese: 余永逸) commented the Guia Lighthouse case proved that the Macao government had ignored the conservation of heritage in urban planning.
In 2007, local residents of Macao wrote a letter to UNESCO complaining about construction projects around world heritage Guia Lighthouse (Focal height 108 meters), including the headquarter of the Liaison Office of the Central People's Government in the Macao Special Administrative Region (91 meters). UNESCO then issued a warning to the Macau government, which led former Chief Executive Edmund Ho to sign a notice regulating height restrictions on buildings around the site.
In 2015, the New Macau Association submitted a report to UNESCO claiming that the government had failed to protect Macao's cultural heritage against threats by urban development projects. One of the main examples of the report is that the headquarter of the Liaison Office of the Central People's Government, which is located on the Guia foothill and obstructs the view of the Guia Fortress (one of the world heritages symbols of Macao). One year later, Roni Amelan, a spokesman from UNESCO Press service, said that the UNESCO has asked China for information and is still waiting for a reply.
In 2016, the Macau government approved an 81-meter construction limit for the residential project, which reportedly goes against the city's regulations on the height of buildings around world heritage site Guia Lighthouse.
Professor at Stanford University Dr. Ming K.Chan (Chinese: 陳明銶) and professor at University of Macau Dr. Eilo Yu (Chinese: 余永逸) commented the Guia Lighthouse case proved that the Macao government had ignored the conservation of heritage in urban planning.
Guia Fortress