system
Given the following post, respond as if you're commenting on Reddit:
human
[X-Men] What happens to Iceman's bridge when he travels?

Does it just fall down on people or somehow disappears?
gpt
Iceman is an omega level mutant with control over the kinetic energy of water.  

Dissipating his structures when he's done with them, even at a distance, is so simple he may actually do it subconsciously.