No, not what you think, but the fucking Northern spastics who somehow think swimming in a big fuck-off wild river is no different to having a bath in the local 28°C heated swimming pool. Of course you're going to get into difficulties, you're not going to put your feet on a nice tiled bottom when you get tired, you're likely to get impaled on an old trolley or bicycle, either that or polio from all the floaty shit.