A helicopter water bombs a fire during a drill in the Dahinggan Mountains, northeast China's Heilongjiang Province, June 24, 2025. Local fire brigades conducted a fire drill in the Dahinggan Mountains on Tuesday to improve their preparedness and response mechanism. The drill featured four typical scenarios, namely emergence response, fighting primitive forest fires, fighting fuel storage tank fires, and fighting high-rise building fires. (Xinhua/Liu Mengqi)

Rescuers put out a fire during a drill in the Dahinggan Mountains, northeast China's Heilongjiang Province, June 24, 2025. Local fire brigades conducted a fire drill in the Dahinggan Mountains on Tuesday to improve their preparedness and response mechanism. The drill featured four typical scenarios, namely emergence response, fighting primitive forest fires, fighting fuel storage tank fires, and fighting high-rise building fires. (Xinhua/Liu Mengqi)

A fire-fighting helicopter carries water to battle a fire during a drill in the Dahinggan Mountains, northeast China's Heilongjiang Province, June 24, 2025. Local fire brigades conducted a fire drill in the Dahinggan Mountains on Tuesday to improve their preparedness and response mechanism. The drill featured four typical scenarios, namely emergence response, fighting primitive forest fires, fighting fuel storage tank fires, and fighting high-rise building fires. (Xinhua/Liu Mengqi)

A plane dumps flame-retardant during a drill in the Dahinggan Mountains, northeast China's Heilongjiang Province, June 24, 2025. Local fire brigades conducted a fire drill in the Dahinggan Mountains on Tuesday to improve their preparedness and response mechanism. The drill featured four typical scenarios, namely emergence response, fighting primitive forest fires, fighting fuel storage tank fires, and fighting high-rise building fires. (Xinhua/Liu Mengqi)

Rescuers put out a fire during a drill in the Dahinggan Mountains, northeast China's Heilongjiang Province, June 24, 2025. Local fire brigades conducted a fire drill in the Dahinggan Mountains on Tuesday to improve their preparedness and response mechanism. The drill featured four typical scenarios, namely emergence response, fighting primitive forest fires, fighting fuel storage tank fires, and fighting high-rise building fires. (Xinhua/Liu Mengqi)

Rescuers descend from a helicopter during a drill in the Dahinggan Mountains, northeast China's Heilongjiang Province, June 24, 2025. Local fire brigades conducted a fire drill in the Dahinggan Mountains on Tuesday to improve their preparedness and response mechanism. The drill featured four typical scenarios, namely emergence response, fighting primitive forest fires, fighting fuel storage tank fires, and fighting high-rise building fires. (Xinhua/Liu Mengqi)

A fire drill is carried out in the Dahinggan Mountains, northeast China's Heilongjiang Province, June 24, 2025. Local fire brigades conducted a fire drill in the Dahinggan Mountains on Tuesday to improve their preparedness and response mechanism. The drill featured four typical scenarios, namely emergence response, fighting primitive forest fires, fighting fuel storage tank fires, and fighting high-rise building fires. (Xinhua/Liu Mengqi)