After stopping a brief period in Xiamen, I was continueing to Shenzhen.
Passengers, who connect at one station, do not have to pass through security again.
They just go up the escalators from the rail platform to the departure waiting hall.

Some metadata on the journey:
From: Xiamen North, Fujian Province
To: Shenzhen North, Guangdong Province
Train No: D2319
Travel Class: First Class
Ticket price: 201 RMB
Distance: 514 km
Duration: 3 hours 56 minutes
Top speed: 208 km/h
Route: Chaoyang-Shantou, Shanwei, Houmen on the Hangzhou-Fuzhou-Shenzhen High-Speed Railway
Operator: China Railway High-Speed, Nanchang Railway Bureau
Trainset: CRH1A-1155 (8-car set)
Rolling stock family: Regina electric multiple unit passenger train
Manufacturer: Joint Venture Bombardier Sifang (Qingdao) Transportation



Xiamen North Railway Station - security checkpoint (which I was able to skip):





Departure waiting area:





Departure board with our train D2319 to Shenzhen North from track 8:





Scrum to board our train:





Xiamen North train platforms:





CRH2 train:





Our CRH1A train (CRH1A-1155), which will bring us to Shenzhen North. The trainset is operated by the Nanchang Railway Bureau.





First Class section in 2-2 configuration:





Leaving Xiamen:







Exploring the CRH1A trainset:









Unfortunately the weather was not really good on that day. Its not smog. We experienced a coastal layer, producing some sprinkles during the day.







Raoping Railway Station:





Crossing the Rongjiang River near Shantou:





South China Sea near Shantou:





Getting closer to Shenzhen after sunset:





Arrival at Shenzhen North Railway Station:







Here is the video on this journey:


Direct link:

Enjoy!