The sound of Thompson's footsteps echo through the marble halls of the mausoleum-like building as he is led to one of the reading room vaults.
(The sound of Thompson's footsteps; echo; L:through the marble halls of the mausoleum-like building) (he; is led; to one of the reading room vaults)
The sound of Thompson's footsteps he
echo is led
L:through the marble halls of the mausoleum-like building
to one of the reading room vaults