The indoor version will enable a business such as a shopping mall owner to show customers where they can find certain products and also deliver advertising to them.

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And the world's largest mall, soon to open in Dubai, boasts a vast indoor aquarium, a supersize indoor gold souk modelled on traditional Arabian markets, and an Olympic-size ice rink.

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At the heart of the dispute with the football teams is an indoor water and amusement park that Triple Five has proposed in addition to the mall.

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Varney aims to open four to five small parks a year, focusing on the U.S. They are mostly indoor attractions, under 40, 000 square feet and situated near another gathering spot, such as a shopping mall or an aquarium.

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