'Glazed tile image' or 'Non-figurative abstract mosaic picture' (József Pólya work, 1984) at the east entrance of Open-air theater. - Margaret Island, <a href="https://en.wikipedia.org/wiki/Budapest" class="extiw" title="en:Budapest">Budapest</a>
<a href="//commons.wikimedia.org/wiki/User:Globetrotter19" title="User:Globetrotter19">Globetrotter19</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>