Near the river, adjacent to the modern orange travertine, are substantial deposits of white travertine, perhaps reflecting the original depositional environment of the geyser (before the exploratory well was drilled.)
Mr. Costarelli said the statement would be made with burled walnut furniture and white Italian travertine.
The resulting pools, terraces, and "petrified waterfalls" of dazzling white travertine are one of Turkey's most famous sights.
The exterior, with two bell towers, is built in white travertine.
The cathedral's side walls, in contrast to the façade, are more simply furnished with alternating layers of local white travertine and blue-grey basalt stone.
It is a monumental double archway built of white travertine (a type of limestone).
The theatre was built mainly of tuff, and concrete faced with stones in the pattern known as opus reticulatum, completely sheathed in white travertine.
The exterior of the building is covered in white travertine, which forms a contrast against the black windows and makes the building appear brighter than those surrounding it.
The building is clad in white travertine and the east facade is graced with a distinctive series of five arches.
Dubbed the Square Colosseum, the Palace of the Workers is EUR's architectural icon, a rationalist masterpiece clad in gleaming white travertine.