I-baLLThere's no place like ~•

Eh, I don't think that's what this is. From the image on the side of the theatre, it seems like they're using the term 4D to mean 4D cinema.

Wikipedia explains it as such:

entertainment presentation system combining a 3D film with physical effects that occur in the theatre in synchronization with the film. Effects simulated in a 4D film may include rain, wind, strobe lights, and vibration. Seats in 4D venues may vibrate or move a few centimeters during the presentations. Other common chair effects include air jets, water sprays, and leg and back ticklers. Hall effects may include smoke, rain, lightning, air bubbles, and smell.

A cyberspace construct would be a VR space where you can look around freely and, hopefully, walk around freely. This doesn't seem to be it though I'll see if I can find more info.

EDIT: Yeah, I found a youtube vid of it. As you can see, it's basically a film.

Hmm, there is a crappy way to explore (Flash required) here:

http://www.parkguell.es/tour/

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Baron_unknown•

No, it definitely isn't that.

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I-baLLThere's no place like ~•

Are you being sarcastic? The name of the place, as visible in the photo, is G Experincia and the youtube video that I linked to was uploaded by G Experincia so...

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Baron_unknown•

Huh? I meant it's not what u/wirehead thinks it is.

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I-baLLThere's no place like ~•

Oh, I was confused since you posted it as a reply to my comment.

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