What countries have the best flood defenses?

- Dikes and dams that protect the country from the North Sea and the Rhine and Meuse rivers.

- Large-scale flood control systems, such as the Delta Works and the Zuiderzee Works.

- High standards for flood risk management and emergency response.

Japan

- Extensive networks of levees, floodwalls, and storm surge barriers along its coastline.

- Underground flood tunnels and reservoirs to hold excess water during heavy rainfall.

- Strict building regulations and land-use planning to minimize flood risk.

United Kingdom

- The Thames Barrier, a movable flood barrier on the River Thames in London.

- Improved堤防along rivers and estuaries, such as the Severn Estuary and the Humber Estuary.

- Early warning systems and flood forecasting models to help communities prepare for flooding.

Germany

- The Elbe Flood Control Project, a system of dams, dikes, and levees along the Elbe River.

- The Oder Flood Control Project, which protects against flooding from the Oder River.

- Flood-resistant building materials and designs to minimize damage when flooding occurs.

China

- The Three Gorges Dam, the world's largest hydroelectric dam, which helps to control flooding on the Yangtze River.

- Extensive levee systems along the Yellow River and the Hai River.

- Flood control projects in the Pearl River Delta and the Yangtze River Delta.