located on the yangtze delta shanghai symbolizes the race for economic development with twenty three million people it is the most populated city in china. it is about is chinese success and ems to become the leading financial hub in asia . china high continues to grow. its expansion seems limitless in spite of the threats from nature. of life in this city has always been mocked by the time fang the word which alarms the population is the chinese term for a tropical typhoon which brings violent winds and torrential rains periodic leap wreaking havoc on the city. will heighten missiles if the sea level rises the most direct impact on shanghai comes from coastal waters once the maximum water level is reached and the city is flooded from heavy rains or upstream flooding the drainage system won't be able to handle the excess water. shanghai is faced with a huge problem in cases of massive flooding all strong tides its canals will be unable to evacuate such a surplus of water in an effort to. minus the damage the chinese built a barrier. to filling up. here we have a flood gate it's meant