Museu do Amanhã, Porto Maravilha, Rio de Janeiro. Shown the solar panels installed in the upper structure. These elements move during the day like wings following the sun path. There are almost 5,500 solar panels in the entire building
<a href="//commons.wikimedia.org/wiki/User:Mariordo" title="User:Mariordo">Mariordo (Mario Roberto Durán Ortiz)</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>