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"Clones narrow the race's genetic structure, they're like a photocopy," said Demyda.

"China's economic development has been extremely rapid after the adoption of the reform and opening-up policy," he said, adding that the policy has been beneficial to both China and the rest of the world.

"China's friendship has spread to every corner of the country," Amarasinghe said.

"China, however, is still at an early stage in the sector," Hoogewerf said.

"China's fight against desertification is stepping into a new period with the hardest-hit region to be recovered. And our target this year will focus on the border regions and major sources of sand storms," said Sun Guoji, director of the administration's anti-desertification department.