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why is it important to preserve heritage sites why is it important to preserve historical sites why is it important to protect heritage sites why is it important to preserve historical sites essay why is it important to preserve historical sites and monuments why is it important to protect heritage sites for both local people and tourists why is it important to preserve historical sites essay 300 words why is it important to preserve world heritage sites why is it important to preserve cultural heritage sites why is it important to preserve cultural heritage sites like machu picchu
