Imaging a future when discovering a city becomes an adventure. Every manhole is a portal to the underground world, and every underground brick tells a story about the history of the city.

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With advanced AR technology, when hardware is no longer the barrier of usability, Hole.la allows everyone to learn about the city from an amazingly fresh perspective -- the manholes. Have you ever wondered what is beneath you when walking along the street in a foreign country? Have you noticed that each tube beneath the manhole leads to a different part of the underground world?