There is an unidentified underwater structure south of the tennis court number 4, in Chumash, with pipes, coastal bunker-like building, some ferryboat-looking element whose one half resembles the Submersible, but is a lot larger etc. All located underwater at the aforementioned location. Anybody know what it might be? .unknowncommander thinks it may be an oil rig. IDK, it doesn't look like oil rig to me, but we'll see. Please state your ideas.