Emphasizing the harmonious co-existence of man and environment, fengshui is a discipline of geography, architecture, ethics and prophecy based on the Daoist principle that the earth, sky and man are part of one whole, said Zhang.

Although the Chinese government has never banned the practice officially, fengshui is defined in Chinese contemporary dictionaries as a "superstitious belief from ancient China".

Opponents, ranging from ordinary people to government officials, say recognition of this 'superstition' contradicts China's current concept of scientific development.

But a survey on Sohu.com, one of China's major websites, showed 80 percent of 1,200 people polled supported the application, while only 16 percent thought it was too superstitious and commercialized to be listed.

"I will never stop. We are aiming to restore the good reputation of fengshui," Zhang said.

A seminar on fengshui will be held in the near future, gathering as many scholars as possible to improve the application, Zhang said.

The biggest obstacle to the application lay in the lack of an appropriate representative of fengshui, said Zhang Liming, director of Shanghai Municipal Intangible Cultural Heritage Protection Center.

Although China has seen a revival of fengshui, the authorities could find no representative individuals or institutions, said Zhang Liming. Studies in universities were conducted only by individual professors, while the so-called "fengshui masters" were just out to make money.

"Zhang Liangren has put a lot of effort into the application for years. He discussed with me his application last year, but I have no authority to say 'yes' or 'no' to the application," Zhang Liming said.

Listing as a municipal intangible cultural heritage was the first step to world heritage listing, but it needed the approval from panels of academics and officials on three levels of municipal conferences, which considered applications, said Zhang Liming.

Head of the municipal academic panel Professor Chen Qinjian, from East China Normal University in Shanghai, said the main problem for the application was to distill the scientific elements in fengshui from the superstition.

Shanghai, with just 700 years of history, was much younger than fengshui culture, and not an ideal location for the application, Chen said.

Shanghai had a sound foundation as one of the origins of modern fengshui studies and further studies should be done to refine the scientific elements from the superstition, said Zhang Liangren who claimed to have an academic team of 25 scholars studying fengshui.

"Most professors studying fengshui in Shanghai are around 70 years old. We fear for the future of fengshui as a real and useful discipline, which is why I am doing this despite my age," said Zhang, 63.

Zhang said the study of fengshui would be better protected if it were recognized as an intangible cultural heritage.

Fengshui is an environment-evaluation system based on the philosophy of the ancient Book of Changes, said Beijing University Professor Yu Xixian.

"Fengshui usually leads me to the same conclusions on building locations as architecture experts," Yu said.

The most famous use of fengshui in recent years was the Hong Kong Bank of China building, designed by architect Ieoh Ming Pei, said Shan Zhiqiang, executive chief editor of Chinese National Geographic.

"Some fengshui experts see the building as a sharp knife shining coldly in the center of Hong Kong, while Pei designed it to look like a spring bamboo shoot suggesting the life of the bank," said Shan.

Connected with creating luck, fengshui was making a comeback in China "in the name of science", warned Tao Shilong, a noted science fiction writer in an online forum earlier last year.

The word fengshui was first found in a book called Book of Burial written by Guo Pu 1,600 years ago, detailing how the location and decoration of a tomb could create luck for the occupant's descendants, Tao said.

"Fengshui is no science. It only swells the wallets of swindlers and raises unnecessary costs in building construction," Tao said.

His view was echoed by historian Gu Xiaoming, from Shanghai's Fudan University. "Fengshui contains too many mysterious elements which separate it from science."

Some principles are just simple learnings dating back to when the first house dwellers became aware of that a south-facing door was the best way to utilize sunshine, said Xu Pingfang, secretary general of the Chinese Society of Archaeology.

The Forbidden City in Beijing and many other cultural monuments were designed with fengshui theory in the hope of continuing a thriving and prosperous country, Xu said.

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