Traffic congestion on O Quy Ho Pass on the morning of December 18. Since snow appeared in Sapa on December 15, cars could not go through the pass connecting Sapa (Lao Cai) and Lai Chau due to the thick layer of snow which was formed a few days ago and the slippery ice layer formed when the snow melts.

The O Quy Ho Pass is on Highway 4D - an important road between the two provinces of Lao Cai and Lai Chau. Due to thick snow, hundreds of trucks and buses were stuck on this pass for four days.

The slippery surface makes all efforts to move unsuccessful.

This car needs help to move forward.

This tank truck has been on the pass for a few days. The O Quy Ho Pass has become a horrible road for all drivers these days. Even when the tank truck stands still, it is still hit by other vehicles.

It is also very hard for pedestrians to climb up the steep snow-covered pass.

Passengers have to spend the night on the snow-covered Hoang Lien Son Mountains.

During the few days stuck on the pass, drivers and passengers buy food and water of the traders who come from the town of Sapa.

The local government sends bulldozers to the rake snow on the pass.

A bus driver makes a snowman while waiting for the road being cleared. Traffic police have stop vehicles to move to the pass. In the current weather, traffic on the pass is likely to be in congestion for several days more.