In Ha Long, some families live on boats.
They spend their whole lives on the water.
They catch fish using nets and traps.
Many also farm pearls.
It is a unique way of living.
You can visit these villages by kayak.
Kayaking lets you meet the families and see their homes.
It is a fun way to experience their life.
Tourism has changed things.
More people come to see this way of life.
Families can earn money from visitors.
It is good for them.