On my way to work this morning I came across another strange message. They seem to be located in and around the park. The translation of this one is: "Take a picture of yourselves and pretend to be superheroes."

On my way home in the evening I took a picture of myself pretending to be a superhero composing a haiku, strongly inspired by Basho.
Here is the result:

the old pond
a frog leaps...
I quickly melt the ice to keep it from harm