Grating for stream inlet below Steinfjellvatnet, Sørfold, Nordland, Norge. Water is fed into a tunnel and transferred to a dam for a hydroelectric power plant. The beveled steel beams shall ensure that trees and twigs do not follow the flow of water
<a href="//commons.wikimedia.org/wiki/User:Frankemann" title="User:Frankemann">Frankemann</a>
<span class="int-own-work" lang="en">Own work</span>