It's been a week since Dingri County in Xizang Autonomous Region was hit by a 6.8-magnitude earthquake. The epicenter is at the foot of Mount Qomolangma and sits 4,500 meters above sea level. Harsh weather, high altitudes, and a remote location have made rescue efforts challenging. Despite these obstacles, over 47,000 people have been evacuated. What's the latest situation there? How did China respond so quickly, and what can we learn from these relief efforts?