The beautiful varieties of porphyry - green, red, striped - which are obtained, often in big monoliths, near Kolyvan, are cut at the imperial stone-cutting factory into vases and other ornaments, familiar in the art galleries and palaces of Europe.
Moreover, the narrow passages between the eastern monoliths had become worn by use into hollows which threatened their foundations.
The " megalithic " monuments of Agia Phaneromeni 1 and Hala Sultan Teke near Larnaca may perhaps be early, like the Palestinian cromlechs; but the vaulted chamber of Agia Katrina near Enkomi seems to be Mycenaean or later; and the perforated monoliths at Ktima seem to belong to oil presses of uncertain but probably not prehistoric date.
The splendid alignment of monoliths at Gezer is described in detail in P.E.F.
The three hundred-foot monoliths offer superb acoustics for any type of performance.
The highly finished monoliths are all representations of a many-storeyed castle, with an altar at the base of each.
In Scandinavia, on the other hand, such dome-roofed chambers are unknown, and the construction of the chambers as a rule is megalithic, five or six monoliths supporting one or more capstones of enormous size.
There are many barrows on the neighbouring downs, besides traces of a double oval of monoliths on Hackpen hill, and the huge mound of Silbury Hill.
Monoliths and cromlechs are not uncommon in the neighbourhood.
They range from rude menhirs a few feet high to elaborately sculptured monoliths of too ft.
It is adorned with a cycle of religious paintings by Heinrich von Hess (1798-1863), and the dome is supported by sixtyfour monoliths of grey Tyrolese marble.
In diameter) formed by great monoliths (sarsens), originally thirty in number, with large }?5?.
Within this circle and concentric with it is another, formed of smaller "blue stones," originally forty in number, but only a few of which now remain in situ; within that was a horseshoe of five huge trilithons formed by ten monoliths with their imposts (all sarsens); and within the horseshoe was an inner horseshoe of "blue stones," originally nineteen in number.
Few traces remain, as the monoliths have been largely broken up for building purposes.
The most carefully executed part is on the south and south-east, where the wall is decorated by a row of granite monoliths beneath which runs a double line of chevron ornament.
Near Bennachie (1619 ft.) are stone circles and monoliths supposed to be of Druidical origin.
These great monoliths were brought as trophies to Venice by Doge Domenico Michieli in 1126, after his victories in Syria.
In Cathays Park there is also a "gorsedd" or bardic circle of huge monoliths erected in connexion with the eisteddfod of 1899.