Many trucks and buses are highly customized and decorated by their owners. The decoration often contains elements that remind the truck drivers of home, since they may be away from home for months at a time.The art is a mode of expression for the truck drivers. Decoration may include structural changes, paintings, calligraphy and ornamental-decor like mirror work on the front and back of vehicles and wooden carvings on the truck doors. Depictions of various historical scenes and poetic verses are also common