Black corals, ripping current and strangely geometric geomorphology. Drift dive along the 40-50m ledge system on Thursday with Jason Crowder. Hawaii Kai, Oahu, Hawaii. Music: "Beyond" by Ian Post via Artlist. ZCAM E2-S6 with Sigma 18-35mm f1.8 lens, in a Nauticam housing with the WACP.  Monitored and recorded with an Atomos Ninja V, also in a Nauticam housing.