>> most of this happened over five years. >> within the last five years? >> yeah. china had this olympia effort and scrap metal went to a high price. people came in here scrapping. they took the windows out. they just destroyed everything. >> the place is pretty much open to anybody who wants to come in. >> sure. a lot of urban explorers, people shooting music videos, taking pictures. often times you see a wedding party come here and use this as a background for their wedding. take pictures, videos. >> wow. you want to take pictures here. the place, like so much of detroit, invites it. urban exploring, as they call it, sifting through the remains of detroit's great american ongoing tragedy, photographing them, posing in front of them, is something of an irresistible impulse. detroiters hate it. all the visitors, like us, i should point out, wallowing in ruin porn. >> what was this part of the factory? where are we standing?