<p>Fremantle Prison
</p>
isolation tennis court, its report the prisoners spent 6 months marking this out to 1/3rd scale before allowed to paint it, after doing so their request for equipment was denied
<a href="//commons.wikimedia.org/wiki/User:Gnangarra" title="User:Gnangarra">Gnangarra</a>
CC BY 2.5 au
<span class="int-own-work" lang="en">Own work</span>