United Arab Emirates – Abu Dhabi – December 16th, 2009: A worker works on the very first section of tunnel wall to be installed in the contract one section of the Salam Street construction, the Mina Road portion of the tunnel. (Galen Clarke/The National)

A construction worker works on the very first section of tunnel wall to be installed in the contract one section of the Salam Street construction, the Mina Road portion of the tunnel.