The Basic Law is enacted in accordance with the Constitution of the People’s Republic of China, as it safeguards national sovereignty and territorial integrity, and at the same time it endows Macao with high degree of autonomy. The formation of the Basic Law has deep historical roots and important practical significance. The route connects a systematic series of buildings and sites winding through the historical changes and political developments for the last hundreds of years in Macao history. The route also demonstrates Macao’s prosperity and stability which are protected under the Basic Law.