Fish made out of glass "swim" in a small container full of water. Picture taken at a local market in Coyoacán, México City.
<a href="//commons.wikimedia.org/wiki/User:Carlitos_acv" title="User:Carlitos acv">Carlos Alonso Caballero Vallejo</a>
<span class="int-own-work" lang="en">Own work</span>