Old Faithful conduit shaped like a "Bagpipe"

[Godsfireworks]

New Research into what Old Faithful's plumbing system looks like underground.

Note: "Plumbing" is the term for geyser's conduits.

http://news.yahoo.com/old-faithfuls-underground-cavern-discovered-215935263.html

 

[Duke]

Interesting

 

[Piper Maru]

That's pretty neat!