Cu Chi Tunnels is about 2 hours from Ho Chi Minh city by car.
Cu Chi Tunnels total length is about 250 kilometers, which was dug by hand over about 20 years.
The tunnel has 3 levels at depths of 3, 6 and 8 meters.
It has meeting rooms, sleeping rooms, etc.
There was an about 15 meter long experience tunnel for visiters.
It was amazing that they stood by and fought in those narrow and dark places.