It was the dominant technology for most of human history. More than a million years ago Acheulean tool users left Africa to colonize Eurasia. Their oval and pear-shaped hand axes have been found over a wide area. Some examples were finely made. Although it developed in Africa, the industry is named after the type site of Saint-Acheul, now a suburb of Amiens in northern France where some of the first examples were found in the 19th century.