Tibetan children suffering congenital heart disease (CHD) arrive at the Beijing West Railway Station in Beijing, capital of China, on Sept. 18, 2012. The first 14 Tibetan CHD children arrived in Beijing on Tuesday to get free treatment.

Tibetan children suffering congenital heart disease (CHD) arrive at the Beijing West Railway Station in Beijing, capital of China, on Sept. 18, 2012. The first 14 Tibetan CHD children arrived in Beijing on Tuesday to get free treatment.

Tibetan children suffering congenital heart disease (CHD) arrive at the Beijing West Railway Station in Beijing, capital of China, on Sept. 18, 2012. The first 14 Tibetan CHD children arrived in Beijing on Tuesday to get free treatment.

Tibetan children suffering congenital heart disease (CHD) arrive at the Beijing West Railway Station in Beijing, capital of China, on Sept. 18, 2012. The first 14 Tibetan CHD children arrived in Beijing on Tuesday to get free treatment.