Dredge_RolandKnauer Published July 5, 2014 at 900 × 1350 in My Experience on Sonne (SO 234/1) ← Previous Next → A dredge being deployed into the deep sea on SO 234/1. Pphoto: Roland Knauer A dredge being deployed into the deep sea on SO 234/1. Pphoto: Roland Knauer