their fire escapes use this accordion ladder. is that what you call it? occasionally, we see problems where it comes down and there's something obstructing it on the ground. sometimes you even see awnings. >> when they come in, that's something we always check if they have a fire escape. now adays they use velcro. >> one thing we have here, lawrence mentioned, you need a door. if you notice here, each residential unit. these are probably each side is a different residential unit that's going out and it's a case where that code evidently allowed you to use a window. >> there's an exception and it's on page 5. opening for the fire escape. it can be a window and it's 29 by 59 and so on. there's an exception for residential building. and probably, i wouldn't be surprised this serves separate units. they both access the same fire escape out let, you can see the goose net. it's an exciting climb and there's a high rise. i think it's the hastings building and it's really top. it has a vertical ladder on top. you are 200 feet up. >> occasionally they have cornice