The Mongols,too,are nomadic and need portable houses, but their gher must also protect them from the harsh winter weather. The white color of the gher is important to the people because in their language, tsagaan means both "white" and "happy". In southern Greece, too, traditional village houses are always white-but built of stone. When Greeks move to cities or other countries, into modern apartment buildings, their idea of "home" is often the traditional village of their grandparents, which they might visit only at holiday time.