It was a plain limestone monument.

The porous limestone monument has been severely damaged over time by artificial pollutants and natural weathering, and most of the inscription has faded away.

Even so, Dr. Canuto said the newfound limestone monument was the same type of fine-grained stone used in the looted artwork.

He is depicted with other explorers on a huge limestone monument, in the form of a caravel cresting a wave, jutting into the river.

My hair is gray and brown-the color of the limestone monuments raised by the Maya one thousand years ago.

A limestone monument designed by Gail Cassilly and dedicated to the Glassberg family is located near the parking area.

They are all commemorated on a limestone monument in the village's main square.

Each part of the plan could be criticized and derailed by bureaucratic obstacles, but the alternative is to have nothing but a shuttered limestone monument to neglect.

The patrimony embraces eight medieval limestone monuments of Zalesye:

Over the past century of excavation in the Maya world, exposure of the limestone monuments to wind, rain, and acid-producing microbes is causing extensive damage.