It represents the architectural legacies of the city's cultural heritage, including monuments such as urban squares, streetscapes, churches and temples.It was described by UNESCO as: "with its historic street, residential, religious and public Portuguese and Chinese buildings, the historic centre of Macao provides a unique testimony to the meeting of aesthetic, cultural, architectural and technological influences from East and West," and "...it bears witness to one of the earliest and longest-lasting encounters between China and the West, based on the vibrancy of international trade.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.[6] 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.[7][6] 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 the World Heritage Site Guia Lighthouse.
Constructions on the foothill of Guia Hill in 2017.
The view of Guia Fortress is blocked by the headquarter.