Around 46 workers may be inside a collapsed tunnel at a mountain power station.
The flood was caused by heavy rain and melting ice from a big ice slide.
Supplies of food and water were left inside, giving hope they are still alive.
International rescue teams are using equipment to reach them.
About 46 workers might be inside, but they have food and water, so they could still be alive. 🍲
Rescue crews from Nepal, India, China, Korea and Australia are using special tools to dig them out.
The teams are hopeful and keep working every day.
Want to learn even more? Click here to read the full story!