Multicorer, used for multiple undisturbed coring of sediments from the ocean floor by marine geologists
<a href="//commons.wikimedia.org/wiki/User:Hgrobe" title="User:Hgrobe">Hannes Grobe</a>, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>