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Beijing's new international airport saw its first flight inspection on Tuesday.

Beijing West Railway Station on Line 9 will set up mobile ticket carts to improve the speed of ticket sales. Some 80,000 prepaid tickets will be made available to meet passenger demand. 

Beijing was stricken by heavy smog on Tuesday morning and initiated a yellow-alert, the third-highest under China's four-tier alert system. Liu said that, generally speaking, air quality has improved in the country, but the situation remains pressing.

Before being cut and polished to what may cost over ,000 per carat -- one-fifth of a gram, or the weight of two grains of rice, diamonds have traditionally been mined from earth where they were forged in extreme pressure and heat over millennia.

Before the presidium meeting, executive chairpersons held their fifth meeting, also chaired by Li.