Levallois-Perret (French pronunciation: [ləvalwa pɛʁɛ] ()) is a commune in the Hauts-de-Seine department and Île-de-France region of north-central France.It lies some 6 km (3.7 mi) from the centre of Paris in the north-western suburbs of the French capital. It is the most densely populated town in Europe and, together with neighbouring Neuilly-sur-Seine, one of the most expensive …

The prepared-core technique is a means of producing stone tools by first preparing common stone cores into shapes that lend themselves to knapping off flakes that closely resemble the desired tool and require only minor touch-ups to be usable.. In contrast to the production of core tools like handaxes, where cores themselves were the end product shaped and trimmed down …