An intelligent cleaning robot works in Tanmen Town, Qionghai City, south China's Hainan Province, March 25, 2026. Smart sanitation facilities are in service during the Boao Forum for Asia (BFA) Annual Conference 2026, becoming a highlight of urban services with accurate dispatch, rapid disposal and high standards. (Xinhua/Yang Guanyu)

An intelligent cleaning robot works in Boao Town, Qionghai City, south China's Hainan Province, March 23, 2026. Smart sanitation facilities are in service during the Boao Forum for Asia (BFA) Annual Conference 2026, becoming a highlight of urban services with accurate dispatch, rapid disposal and high standards. (Xinhua/Yang Guanyu)

An unmanned smart water sanitation vessel works on the Wanquan River in Qionghai City, south China's Hainan Province, March 25, 2026. Smart sanitation facilities are in service during the Boao Forum for Asia (BFA) Annual Conference 2026, becoming a highlight of urban services with accurate dispatch, rapid disposal and high standards. (Xinhua/Yang Guanyu)

An intelligent cleaning robot works in Boao Town, Qionghai City, south China's Hainan Province, March 25, 2026. Smart sanitation facilities are in service during the Boao Forum for Asia (BFA) Annual Conference 2026, becoming a highlight of urban services with accurate dispatch, rapid disposal and high standards. (Xinhua/Liu Lianfen)

An intelligent cleaning robot works in Tanmen Town, Qionghai City, south China's Hainan Province, March 25, 2026. Smart sanitation facilities are in service during the Boao Forum for Asia (BFA) Annual Conference 2026, becoming a highlight of urban services with accurate dispatch, rapid disposal and high standards. (Xinhua/Liu Lianfen)

A beach cleaning robot works on the beach of Boao Town in Qionghai City, south China's Hainan Province, March 23, 2026. Smart sanitation facilities are in service during the Boao Forum for Asia (BFA) Annual Conference 2026, becoming a highlight of urban services with accurate dispatch, rapid disposal and high standards. (Xinhua/Yang Guanyu)

An intelligent cleaning robot works in Boao Town, Qionghai City, south China's Hainan Province, March 23, 2026. Smart sanitation facilities are in service during the Boao Forum for Asia (BFA) Annual Conference 2026, becoming a highlight of urban services with accurate dispatch, rapid disposal and high standards. (Xinhua/Yang Guanyu)

An intelligent cleaning robot works in Boao Town, Qionghai City, south China's Hainan Province, March 25, 2026. Smart sanitation facilities are in service during the Boao Forum for Asia (BFA) Annual Conference 2026, becoming a highlight of urban services with accurate dispatch, rapid disposal and high standards. (Xinhua/Liu Lianfen)

An intelligent cleaning robot works in Tanmen Town, Qionghai City, south China's Hainan Province, March 25, 2026. Smart sanitation facilities are in service during the Boao Forum for Asia (BFA) Annual Conference 2026, becoming a highlight of urban services with accurate dispatch, rapid disposal and high standards. (Xinhua/Liu Lianfen)

An unmanned smart water sanitation vessel works on the Wanquan River in Qionghai City, south China's Hainan Province, March 25, 2026. Smart sanitation facilities are in service during the Boao Forum for Asia (BFA) Annual Conference 2026, becoming a highlight of urban services with accurate dispatch, rapid disposal and high standards. (Xinhua/Liu Lianfen)