tekkenarcade|Rescue and relief work carried out in flood-hit Longnan, NW China

Rescuers set up an emergency communication system using drones and base stations at Yaogou Village of Wudu District in Longnan Citytekkenarcade, northwest China's Gansu Province, July 26, 2024. From Monday to Wednesday, Gansu experienced the heaviest rainfall this year, marking the most severe round of downpours since 1961 in the province, said the provincial meteorological bureau. Locals in Longnan are racing against time to repair flood-hit infrastructure and put life back to normal. (Xinhua/Lang Bingbing)

An aerial drone photo taken on July 26, 2024 shows a view of a landslide site at Yaogou Village of Wudu District in Longnan City, northwest China's Gansu Province. From Monday to Wednesday, Gansu experienced the heaviest rainfall this year, marking the most severe round of downpours since 1961 in the province, said the provincial meteorological bureau. Locals in Longnan are racing against time to repair flood-hit infrastructure and put life back to normal. (Xinhua/Lang Bingbing)

Photo taken on July 26, 2024 shows power lines destroyed by floods and landslides on a road to Yaogou Village of Wudu District in Longnan City, northwest China's Gansu Province. From Monday to Wednesday, Gansu experienced the heaviest rainfall this year, marking the most severe round of downpours since 1961 in the province, said the provincial meteorological bureau. Locals in Longnan are racing against time to repair flood-hit infrastructure and put life back to normal. (Xinhua/Lang Bingbing)

Rescuers operate at Yaogou Village of Wudu District in Longnan City, northwest China's Gansu Province, July 26, 2024. From Monday to Wednesday, Gansu experienced the heaviest rainfall this year, marking the most severe round of downpours since 1961 in the province, said the provincial meteorological bureau. Locals in Longnan are racing against time to repair flood-hit infrastructure and put life back to normal. (Xinhua/Lang Bingbing)

One of the rescuers points to a spot when he recounts their efforts to access Yaogou Village of Wudu District in Longnan City, northwest China's Gansu Province, July 26, 2024. From Monday to Wednesday, Gansu experienced the heaviest rainfall this year, marking the most severe round of downpours since 1961 in the province, said the provincial meteorological bureau. Locals in Longnan are racing against time to repair flood-hit infrastructure and put life back to normal. (Xinhua/Lang Bingbing)

Rescuers walk to Yaogou Village of Wudu District in Longnan City, northwest China's Gansu Province, July 26, 2024. From Monday to Wednesday, Gansu experienced the heaviest rainfall this year, marking the most severe round of downpours since 1961 in the province, said the provincial meteorological bureau. Locals in Longnan are racing against time to repair flood-hit infrastructure and put life back to normal. (Xinhua/Lang Bingbing)

Forest firefighters and electrical engineers walk to Yaogou Village of Wudu District in Longnan City, northwest China's Gansu Province, July 26, 2024. From Monday to Wednesday, Gansu experienced the heaviest rainfall this year, marking the most severe round of downpours since 1961 in the province, said the provincial meteorological bureau. Locals in Longnan are racing against time to repair flood-hit infrastructure and put life back to normal. (Xinhua/Lang Bingbing)

A township cadre registers evacuated villagers at Yaogou Village of Wudu District in Longnan City, northwest China's Gansu Province, July 26, 2024. From Monday to Wednesday, Gansu experienced the heaviest rainfall this year, marking the most severe round of downpours since 1961 in the province, said the provincial meteorological bureau. Locals in Longnan are racing against time to repair flood-hit infrastructure and put life back to normal. (Xinhua/Lang Bingbing)

A township cadre registers evacuated villagers at Yaogou Village of Wudu District in Longnan City, northwest China's Gansu Province, July 26, 2024. From Monday to Wednesday, Gansu experienced the heaviest rainfall this year, marking the most severe round of downpours since 1961 in the province, said the provincial meteorological bureau. Locals in Longnan are racing against time to repair flood-hit infrastructure and put life back to normal. (Xinhua/Lang Bingbing)

Rescuers walk to Yaogou Village of Wudu District in Longnan City, northwest China's Gansu Province, July 26, 2024. From Monday to Wednesday, Gansu experienced the heaviest rainfall this year, marking the most severe round of downpours since 1961 in the province, said the provincial meteorological bureau. Locals in Longnan are racing against time to repair flood-hit infrastructure and put life back to normal. (Xinhua/Lang Bingbing)

Rescuers operate at Yaogou Village of Wudu District in Longnan City, northwest China's Gansu Province, July 26, 2024. From Monday to Wednesday, Gansu experienced the heaviest rainfall this year, marking the most severe round of downpours since 1961 in the province, said the provincial meteorological bureau. Locals in Longnan are racing against time to repair flood-hit infrastructure and put life back to normal. (Xinhua/Lang Bingbing)

Engineers repair disrupted telecommunication lines at Yaogou Village of Wudu District in Longnan City, northwest China's Gansu Province, July 26, 2024. From Monday to Wednesday, Gansu experienced the heaviest rainfall this year, marking the most severe round of downpours since 1961 in the province, said the provincial meteorological bureau. Locals in Longnan are racing against time to repair flood-hit infrastructure and put life back to normal. (Xinhua/Lang Bingbing)

Villagers to be evacuated wait for vehicles at Yaogou Village of Wudu District in Longnan City, northwest China's Gansu Province, July 26, 2024. From Monday to Wednesday, Gansu experienced the heaviest rainfall this year, marking the most severe round of downpours since 1961 in the province, said the provincial meteorological bureau. Locals in Longnan are racing against time to repair flood-hit infrastructure and put life back to normal. (Xinhua/Lang Bingbing)