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A small family boat sailed into the side of a gigantic mega-yacht valued at around £384 million ($530m) - really, the last thing you want to do on a nice day out on the water is collide with a super-expensive vessel.
If you take a look at the video, you'll spot that the mega yacht looks like a cruise liner next to the smaller boat, and it's owned by a Russian billionaire.
Onboard the bigger boat, which could probably manage to wedge itself in the Suez Canal if it wanted, there is a helipad and three separate swimming pools.
Onboard the smaller boat, there was only a sheepish family wanting to grab a look at how the other half live.
Unfortunately, they got a little bit too close and couldn't avoid a collision.
The incident took place in the Vigo Ria estuary in the north-western Galicia province of Spain on 28 March.
There are conflicting reports about who was on the little boat at the time of the incident, but it seems pretty clear from the footage that at least two of the people onboard were children.
The video - which was uploaded to social media - shows the boat coming alongside the 143-metre yacht, then struggling to get away from it.
The other boat - by the way - isn't exactly small, it might look like a rubber dinghy next to this massive boat but it is actually probably about six or seven metres long itself.
They spent a few minutes alongside the much larger boat, before one of the people onboard managed to shove the boat so that it drifted away.
However, despite initial reports that they left huge scratch marks down the side of it, the yacht's owner's representatives have confirmed that the family got away with it, having left only light paint marks within a one-metre length. Phew!
The big yacht, known only as Sailing Yacht A, is one of the world's largest sailing boats, and has a nightclub onboard, as well as everything mentioned earlier.
It's currently in Vigo awaiting repairs and tuning after being brought in from the Navantia shipyard in Murcia, southern Spain.
It is owned by 49-year-old Andrey Melnichenko, who is estimated to be worth around £13 billion, according to Forbes.
La Voz reports that the captain intends to file a report with the Maritime Captaincy of Vigo about the incident, with Melnichenko's representatives confirming this is simply in line with maritime navigation instructions.
It is thought that around 50 boats were in the water that day, all trying to get a closer look at the mega-yacht.
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