The culture of Afghanistan reflects its ancient roots and position as a crossroads for invading ethnic groups and traditions. Little the Afghans make is unattractive; even common grain bags to carry produce to market are often embroidered to make them more beautiful. A camel caravan of nomads often looks like a circus parade, with the animals decked out in woven finery. The Islamic traditions of fine calligraphy and graphic arts are evoked in the fine filigreed flourishes that decorate many buildings. Poetry and poets are revered. Although the people of Afghanistan may have been sorely stressed by centuries of warfare and a difficult environment, their arts have prospered nonetheless.