I am planning to go to a key stone conference in Canada. Does anybody have
similar experience? What would be the potential trouble? Do I need visa
stamp when I re-enter the US? Could it be possible that the embassy will ask
me to get a visa stamp from China? Thanks.
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【在 l******a 的大作中提到】 : I am planning to go to a key stone conference in Canada. Does anybody have : similar experience? What would be the potential trouble? Do I need visa : stamp when I re-enter the US? Could it be possible that the embassy will ask : me to get a visa stamp from China? Thanks.