The roof went up a few weeks ago on the new Apple store in downtown Chicago, but it wasn't until one detail was added Thursday that the design started to really come together.。

SEE ALSO:Don't tell Apple: AirBar turns your MacBook Air into a touchscreen laptop。

For an hour or so in the afternoon the shiny silver roof was augmented with one very familiar logo: 。

For an hour or so in the afternoon the shiny silver roof was augmented with one very familiar logo: 。

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Positioned atop the metallic roof it became a very familiar sight.。Mashable Light SpeedWant more out-of-this world tech, space and science stories?Sign up for Mashable's weekly Light Speed newsletter. 。By signing up you agree to our Terms of Use and Privacy Policy.。

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in Chicagosaid the logo was on the roof for only about an hour before it was rolled up. But now you can't unsee the design -- it's totally a giant MacBook Air.。 The image came as a surprise to many. Early photos from London-based design firm Foster Partners showed an all-glass building with the signature roof - but there was no sign of the giant apple. However, the。Chicago Tribune 。

Chicago Tribune
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did report back in March that an Apple logo was planned for the roof.。

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We didn't hear back from the firm immediately about the project, but their site shows two other Apple stores they've worked on, including one in Hangzhou, China. More recently they were part of the Singapore Apple store, which looks a lot like San Francisco's flagship shop.。

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The design plans don't give any clues if the giant computer on the roof will actually open, but it would be kind of cool if there was a full keyboard and trackpad hidden inside. You do have to wonder what Jony Ive makes of the whole thing, however.。

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