Invalid Pokestop - Within K-12 grounds

Title of the Wayspot: Μεγάλη Παιδική Χαρά Κέντρου Μανακίου
Location: 40.691055, 21.774717
City: Maniaki
Country: Greece
Screenshot of the Rejection Email: [Attach Screenshot]
Photos to support your claim:
Additional information: Greetings, this playground (which is a pokestop) is within a kids' nursery school (Παιδικός Σταθμός on the sign of the second photo means ''kindergarten'')
Tagged:
Comments
Insufficient Evidence - Resubmit Appeal - Thanks for the appeal, Trainer. Due to insufficient evidence, we’re unable to retire the Pokéstop/Gym in question.
If you have additional evidence to share, please submit geotagged images and 360° video of the POI location showing the screen recording while accessing the Pokéstop/Gym and we’ll take another look.
Please attach the rejection mail to proceed further.