Evad - Yes, the trains go through the Everest shrine tunnel thing during the ride . . . the train goes through it just before they're on that track part that's in YECKIM's pic. I searched and searched for ya but couldn't find any decent pics of it.
Here are some, but they don't really show what's inside the tunnel:
http://www.allearsnet.com/tp/ak/ak_ee83.jpg
http://www.allearsnet.com/tp/ak/ak_ee84.jpg
And
here is a video of the entire Everest ride-through. The train is entering the shrine at 1:08 in the video time.