>> reporter: right, it's like a four-story building or think of it as an upside down funnel. they have to do it fairly expediently. the last check we have from bp is that this massive containment dome has not fully positioned itself on top of that wellhead. on top of that second and re stt of watching with bated breath to see when and if that happens. that should happen at some time this morning. what they've been using is these robotic arms, robotic -- call them submersibles to make sure this thing is in place then a little bit more waiting because then they have to attach all this piping, sort of like a straw, if you will, up side the top of a funnel and they're going to siphon the oil hopefully up to 85% and hopefully the siphoning process should start as early as tomorrow. richelle? >> brooke, i know you made your way to the oil slick this week. you took a camera with you, an underwater camera. what did you see?