Coral Stone

Many of the Catholic churches built in 1700-1800s on the island of Bohol were constructed using coral stone. Most sizeable towns along the coastal road have a church which is still in use, though weathering over a couple hundred years has eroded or stained the stones, creating strange patterns. A few of the watchtowers were also built with these types of stone and exhibit the same erosion patterns. In some cases where the churches were renovated, the stones were covered over with cement, but that has also eroded, revealing the coral stone beneath.