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EntertainmentVideo: The withdrawal of 56 billion cubic meters of rainwater poured into Houston
Super typhoon Harvey poured 56 billion cubic meters of rainwater into the city of Houston, Texas, USA, and experts predicted that after many weeks the water was drained.
Water also cannot evaporate quickly due to the humid climate of Houston.
Despite being flat and easy to flood, Houston lacks a high-tech sewer system and relies on slow-moving tributaries for flooding.
The 10 rivers in the city flow from west to east before crossing the Houston Ship Canal into the mouth of the Galveston Bay in the Gulf of Mexico. With the flow rate and the volume of rainwater, the surface soil will quickly saturate and wet to the point that it cannot be absorbed.
Water also cannot evaporate quickly due to the humid climate of Houston. Flood water recedes slowly wetting homes and furniture, damages can last.
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