Finally, a second, glassless tracery of a different design is placed on the external wall, creating a fanciful play of patterns on the inside and leaving the exterior surface devoid of color. Gypsum plaster is also used as a decorative form on internal surfaces. Intricate plaster wall reliefs are often found in the mufrajs of many tower houses, some professing verses from the Qoran in extravagant calligraphy. K file Exterior ornamentation of the tower houses is quite elaborate and often resembles patterns of latticework, jewelry, or textiles. Stars, snakes, and naturalistic elements appear often, though now much of such decoration represents modern themes such as cars, planes, and weapons.
Doors are also a source of decoration, containing wood fretwork and pounded metal door knockers.
Traditionally, door frames carry intricately carved inscriptions as an expression of the symbolic importance of the threshold. An interesting modern phenomenon has been the introduction of metal doors to Yemen, which have all but replaced the traditional carved and painted wooden doors. Metal doors with intricate wrought iron patterns and bright colors are externalizing the delight formerly reserved for private interior spaces. Since the 1962 civil war, the face of Yemen has changed drastically. The previous lack of modern development made Yemenis aware of the ever-increasing need for modernization, and they embraced it wholeheartedly when it arrived.