Rio Toilet Warning

[guohua]

After reading about how bad the water and just about everything else is in Rio, why would anyone Fish in the Toilet? Is this a Common Practice in Rio?
 Now in China we do Squat on the Toilets, what's weird about that and How unsanitary is it to throw your Dirt Toilet Paper in the Trash?

Just in case you had big ideas and you're thinking about fishing in the toilet, while in Brazil, you can forget it!
A U.S. Olympian competing in the Rio de Janeiro games has posted a puzzling photo depicting various banned practices while using the bathroom.
Apart from the usual requests for users not to throw paper down the bowl, there is also a complete ban on fishing in the toilet.

Out of the 34 sports being held as part of the competition, neither fly-fishing nor toilet-bowl fishing are part of the lineup. 
Apart from the no fishing request, the sign also bans users from throwing trash in toilets, vomiting, standing on top of toilets to squat over the bowl and standing sideways at a urinal.
'Guess I won't be toilet fishing today,' Delle Donne posted.

Source