First time taking the high-speed rail to Hong Kong, not sure how to go through customs?

If your conference arrives by high-speed rail, it’s usually at West Kowloon.
Below is a detailed guide:
When you arrive at Hong Kong West Kowloon Station, follow the crowd to the immigration hall, ready to clear customs.
There are a total of 2 checkpoints, the first one is for Mainland exit, the second one is for Hong Kong entry;
each checkpoint involves passing through the turnstiles twice.
✅ First checkpoint: Mainland exit