1. What is a visa?   2. Do I need a visa for China?   3.What is the difference between a tourist visa and a business visa?   4.What type of visa do I need?   5.What is the difference between a passport and a visa?   6. Do I need a visa for Hong Kong or Macau?   7.  How long is a visa valid?   8.What is passport-style photo?  9.  How long does it take to obtain a visa?   10.Why must I have a full blank visa page in my passport?   11. Can a visa be issued on a blank amendment page at the back of my passport?   12. If my application is rejected by embassy or consulate, is the FBT service fee refundable?   13. I am going to mainland China, then to Hong Kong and back to mainland China for one night. Does this mean I must have a double-entry visa?