Construction of the Oakland Airport Connector people mover system in Oakland, California, USA.  This formwork will become the OAC terminus at the <a href="https://en.wikipedia.org/wiki/Oakland_Coliseum_Station_(Amtrak/BART_station)" class="extiw" title="w:Oakland Coliseum Station (Amtrak/BART station)">Oakland Coliseum Station (Amtrak/BART station)</a>.
<a href="//commons.wikimedia.org/wiki/User:Pedro_Xing" title="User:Pedro Xing">Pedro Xing</a>
<span class="int-own-work" lang="en">Own work</span>