Yes. Fire requires only three things: oxygen, fuel, and something to start the blaze (a match or candle flame, lightning strike, spark, etc.).
the tunnels were used for storing food because it was cool and as an escape route.I have never been heard of them being used as a way to set the castles on fire but i would have been motte and bailey castle because they were made of wood.
No, there are no tunnels from pyramids to the center of the Earth. Such claims are purely speculative and not supported by any scientific evidence. Pyramids were built for various purposes such as tombs or religious monuments, not for connecting to the Earth's core.
the train tunnels are where the trains goes through under ground
Yes. The movie is "Battle Beneath the Earth" from 1967. You can get more info at the IMDB website
of course!
Yes
In a pile.
The advantages of tunnels are: Tunnels can shorten the distance - instead of going over or around a hill or a mountain. Tunnels can be relativley dry - going under a river or lake Tunnels can be of fairly consistant temperature - may not freeze or be too hot
Yes.
yes
Yes, Fire salamanders, cinnepeads and bats.
to bring the animals in that fought