How is it like travelling through an Asura Portal?

[Cynder.2509]

I've always asked myself this question and I'd love to hear if I'm not the only one. 
Any scientifical or lore wise explanations? 
I'd love to ask the devs but I don't know where to ask such a question as the tumblr blog always seems to ignore my stuff. 
I imagine it kinda similar to the cinematic in LSS2 in "The Machine". 

[BunjiKugashira.9754]

I think in one of the books they described it as just stepping through a door. Loerwise the portal is supposed to also transport light, etc. So the portal doesn't look like a pink swirl, instead you see your destination on the other side. Suddenly being hit by the different climate on the other side of the portal feels like stepping out of an airplane.

[Narcemus.1348]

There is also a single Sylvari who in old Lion's Arch would talk about how for the second that she walked through the portal she felt a disconnect from the Dream. Other than that, it's just like walking through a door to another place.

[Konig Des Todes.2086]

Both Ghosts of Ascalon and Edge of Destiny describe how it is to walk through a portal. It's pretty much an instantaneous change in room environment and lighting, with little to no sensation of the portal itself, IIRC.