There's all kinds of stuff entombed in cities, just waiting to be discovered. First thing this reminded me of was the Original Spanish Kitchen [1], which was a restaurant, also in LA, which closed one day in 1961 and spent the next 44 years frozen in time. The fixtures, utensils, coffee maker, everything intact, waiting for an opening that never came. All sorts of caches created when someone just couldn't do it anymore, or when plans fall apart.