The Lord of the Rings: Aragorn's Quest Mountains is to go under them, via the dwarven mines of Moria. Upon entering Moria, Gimli is devastated to learn rumors regarding Balin and the dwarves are true; they have been wiped out by orcs. The fellowship fight their way to the Chamber of Mazarbul, where they find the tomb of Balin, and a record of how the mines were lost. Fighting their way through a hoard of orcs and trolls, they are attacked by a Balrog. They flee, reaching the Bridge of Khazad-dûm, where Gandalf defeats the Balrog by destroying the bridge as it stands on it. However, as
The Lord of the Rings Motion Picture Trilogy: The Exhibition to have more realistic size, proportions, and shapes. For some scenes, such as the crossing of the Bridge of Khazad-dûm as it collapses, the entire cast was replaced for a few seconds by digital doubles; the laser scanning technology helped make these doubles look like the real characters/actors. Also, a motion capture demonstration was created by the HITLabNZ, in which visitors wielding colored foam weapons could move against a green screen and watch an Orc, Elf, or Gondorian Soldier move the same way they did. In the making of the films, especially for the motion capture process that yielded Gollum,