Hello
I'm travelling throught China to get to Nepal and
I want to know if I need a transit Visa.
I am a Canadian Citizen but living in Seoul Korea for the past two years.
I want to confirm if I need a transit visa, my itinerary is below.

Seoul (ICN) to Beijing (PEK) 26/03/11 6:10 PM - 7:20 PM Air China 126

Beijing (PEK) to Chengdu (CTU) 26/03/11 10:00 PM - 12:50 AM Air China 4194

Chengdu(CTU) to Lhasa(LXA) 27/03/11 7:40 AM - 9:45 AM Air China 407

Lhasa(LXA) to Kathmandu(KTM) 27/03/11 10:40 AM - 9:45 AM Air China 407