Plans for a £123 million rainforest in a biome dwarfing the Eden Project in size have received a £50 million US government grant.
The caterpillar-shaped Iowa Child environmental and education project would tower 20 storeys high and cover two hectares of rainforest in Coralville.
It will include a one-million-gallon aquarium, interactive galleries and take two-and-a-half years to build. The biome would recapture 30 million gallons of onsite precipitation.
The project over several floors will bridge into outside exhibits of indigenous plants and ecosystems such as prairie to give a global understanding of biodiversity and sustainability.
“By using green designs and environmentally focused building the project will serve as an ecology inspiration and architectural icon,” said a spokesman for the project.
The rain forest is expected to take two-and-a-half-years to build and make nearly £70 million a year on completion.
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