According to the Environment Agency, there are around 534,000 properties in London on the Thames flood plain and one in four are at risk of flooding. This is partly due to the low absorbency of urban surfaces.

　　Matthew Pencharz, the Mayor's Advisor for Environment and Energy, said, “London has plenty of trees, parks, gardens and increasing numbers of living roofs, which can increase resilience(适应力) to extreme weather. The Mayor is encouraging more green programs like the living wall to make sure London can continue to compete, not only as the greenest city in Europe, but as the best city on the earth.”

　　A similar living wall was built in Islington in 2005 but ended in disappointment after the watering system failed and all the plants died.

　　At that time critics accused the council of wasting 100,000 of taxpayers' money on a “green extravagance (奢侈品)”. The Victoria project is believed to be the largest of its kind in the country.

　　Ruth Duston, CEO of Victoria BID, said，“Building the living wall has a long­term positive impact on the environment. It delivers a model of best practice for London.”

　　The flowers have been chosen to ensure the wall is in bloom all year round, attracting wildlife such as birds, butterflies and bees.

　　Armando Raish, managing director of Treebox, said，“Due to the variety of plants, we expect the living wall to significantly increase the number and variety of bugs and bees in this part of Victoria.”

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