The Lord of the Rings world was similar to many other fantasy worlds. The elves were graceful and fair. The dwarves loved mining. Of course, that wasn't very specific and perhaps unfair to the dwarves. But they were a race that valued minerals and metals. Mining was their hobby.

Moria was the result of such hobby. The underground city spanned through the whole Caradhras mountains. According to Gandalf, they were to journey for five days and nights from one end to the other. This distance was uncommon in both this world and the real world. That was a mine through the mountain dug by people!

"You will soon see the warm welcomes of the dwarves. Haha." Gimli walked at the front...