CONCLUSION
New buildings are built every moment. Old buildings also are abandoned every moment. Regenerating old buildings is popular in many countries recently. How to reuse the old buildings and blocks? How to protect them with the commercialized progress? In fact, many projects are hard to call successful. Many heritage sites have not been adequately protected. For commercialization of heritages, arbitrary refitting often happened in the heritage scenic spots, non-professional workers changed the original architectural style, and modern material replaced the traditional techniques. Those phenomena damage the historical information and the authenticity of heritages.
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