More than 700 Peace Corps volunteers have served in China since 1993, and the number of volunteers is growing every single year.

'These changes are over decades, not year to year, ' says Dr. Azar.

The demand for tea is on the decrease (each year).

First, the real estate development enterprises in Shanghai, private enterprises, foreign-funded enterprises to share the proportion is increased every year.

The results indicate that the land use efficiency of Fengtai is still far behind those of other similar districts though it's advancing ceaselessly.