Traditional Culture Encyclopedia - Weather inquiry - How did the road builders of Qinghai-Tibet Railway overcome the bad weather?

How did the road builders of Qinghai-Tibet Railway overcome the bad weather?

Answer: 1. Overcoming low temperature: heating with heater and field observation.

2. Overcome the bad weather: There is nothing in the book. 3. Overcome hypoxia: build plateau oxygen station.

4. Overcoming geological differences: blasting