BRICS will start 3 to 5 Sep in China, if someone need to travel to Xiamen, need to understand the security policy and prepare enough time for your trip.
Flight: have to prepare at least two hours ahead to check in and past the security.
Train: make sure you bring your passport with you.
Bus: passport is also necessary.
High speed road: some roads are not allowed the other cities license plate car to travel to, need to check the high speed.
Enjoy your trip in China.