“Tốc độ 'không ai có thể chạy thoát' của lũ quét Nepal - Trung Quốc”

Key points

• Researchers calculated a rockslide/debris flow surface speed of 19 m/s at Gyirong Border Pass.
• The event followed an ice dam collapse from Langtang Lirung in Nepal.
• Death toll 21 in China; 541 missing in China; Nepal reports 1,204 bodies and 4,216 missing.
• Flow slowed to 11.7 m/s near a Nepali bridge 52 km downstream.
• Officials advocate early warning, rapid response and cross-border monitoring for future events.