No swimming? Umm, OK
Some signs make sense, especially where the observer might be enticed to an area or activity that might prove harmful. Signs like "no skateboarding" posted on a parking lot on a slope (the businesses owners could be liable if someone gets hurt), "warning: guard dog" would be useful to a would-be thief or "speed limit enforced by aircraft" might be all someone needs to
Homemade Seahawks Displays
Having spent significant time in Seattle and living here I've come to a conclusion... there are more Seahawks fans in Yakima per capita than there are in Seattle. Fans here are so crazy they can't seem to find enough cool merchandise with logos that they have to make their own...