Onne van der Wal / Man preparing to anchor aboard 88ft sloop "Shaman" with Spitsbergen's mountains and glaciers in the background on a calm day. Svalbard Archipelago, Norway, 1998.

Onne van der Wal / Raising the anchor on a commercial ship

Onne van der Wal / Underwater view of a motorboat and anchor chain, Bahamas.

Onne van der Wal / Underwater view of a motorboat bow and anchor chain, Bahamas.

Onne van der Wal / Anchor chain raised through the hawser pipe on a large ship.

Onne van der Wal / Checking the anchor of "Bright Star", Caribbean.

Onne van der Wal / Young family at anchor aboard a Friendship 40 cruising yacht, Rhode Island. Model and property released.

Onne van der Wal / Crew member in the shallow water dropping anchor from the Shannon Shoalsailor. This innovative beachboat is a shallow draft boat designed to roam shallow waters, Exuma, Bahamas.

Onne van der Wal / Man looking overboard at the lowering anchor aboard a cruising yacht off a sandy beach.

Onne van der Wal / Catamaran at anchor in the Sapodilla Cays, Belize.

Erwan Quéméré / Grapnel (small anchor) on an oyster boat in La Rochelle harbour, France.