Shaped like houses, the memorials are constructed with a combination of crushed coral and limestone daub.

The runway was made from crushed coral, and expanded during World War II.

It was surfaced with crushed coral.

The majority of airfield work done before clearing the main runway and surfacing it with crushed coral.

Bleached coral along with a substrate of coarse crushed coral were the norm.

White water broke over the outer reef, and the beach was of crushed white coral and curious shells.

Some of the money has been used to pave roads - which were formerly made of crushed coral - and to build schools.

This is a bare patch of crushed coral.

Mokuaikaua Church, built for missionaries in 1837 of lava rock and crushed coral, still stands today.

The truck moved between two broad streams of crushed coral.