Acropolis,which located in central Athens acropolis hill, is the most outstanding ancient Greek buildings. Greek for “Acropolis” means “high city” or “Takaoka on the city-state.” As a representative work of ancient Greek architecture, Acropolis of Athens has reached the highest level of sacred buildings, temples, orders and sculptures in ancient Greece. These ancient buildings can be rated as the heritage of mankind and architectural masterpiece, and hold an important position in architecture history. Acropolis, including four greatest ancient Greek art masterpieces—Parthenon Temple, the Propylaea, the Erechtheum and Temple of Athena Nike, is considered to be a symbol of the world’s traditional concepts. Due to the history, there are many Parthenon marbles which they removed from the temple and transported to England in the British museum. Many people require England to return sculptures while others do not want to. It is a controversy topic and different people have very different opinions. In my point of view, returning is necessary because cultural treasures from ancient civilizations belong in the places they come from. Also, the cultural importance of the marbles are very strong, not only do they possess the power to almost unlock the past of ancient Greece but as well they have the power to unite the local Citizens of Greece to their true heritage. The Acropolis is used to prevent foreign invasion of the fortress, surrounded by the walled hilltop, site of the ancient Acropolis hill in the south. In 5th century BC, during the period of democratic politics ruled by Athens slave owners, the Acropolis became the religious center of the State. Since Greece defeated Persian’s invasion by joint efforts of several other city-states, it was viewed as a national symbol. Upon every religious festival or national celebration, citizens lined up the mountain for