When the iceberg breaks off, it instantly floats to the surface and continues to rise upward (Ice has a less specific gravity as compared to water/sea water) forming a pillar in the sky.
Enjoy the clip!
Sara: Sounds familiar.
Prof: Gévaudan?
Sara: No, what those people were going through.
Prof: Oh! Working nonstop, to remain alive? Yeah. There’s gonna be some parallels in this story.
Ryan: That’s cool. I mean, ‘cause people come to this show for escapism. So I like that you went completely in the opposite direction.
Prof: Yeah. Yeah.
Sara: Sorry.
Prof: Sorry, everybody.