the steep top roof, compared to the relatively low-angled roof of Javanese mosque. The employment of stilts in some mosques, a separate roof on the mihrab. Prominent examples including Heritage Mosque of Banua Lawas and Jami Mosque of Datu Abulung, both in South Kalimantan. Only after the 19th century, the mosques began incorporating more orthodox styles imported during the Dutch colonial era. Architectural style during this era is characterized by Indo-Islamic or Moorish Revival architectural elements, with onion-shaped dome and arched vault. Minaret was not introduced to full extent until the 19th century, and its introduction was accompanied by the importation of architectural styles of Persian and Ottoman origin with the prominent usage of calligraphy and geometric patterns. During this time, many of the older mosques built in traditional style were renovated, and small domes were added to their square hipped roofs. Simultaneously, eclectic architecture integrating European and Chinese styles was introduced as well. Prominent examples of Indonesian Islamic architecture with foreign styles including Baiturrahman Grand Mosque in Banda Aceh, completed in 1881, designed in Indo-Saracenic Revival architecture, and Great Mosque of Palembang in Palembang, initially completed in 1798, and later expanded with integrating Chinese, Malay and European architectural styles harmonized together. Clothing The peci, songkok, or kopiah in Java, is a velvet cap with generally black color worn by Muslim men. It is originated within the Malay culture and can be traced back to the Ottoman fez. It is worn during the formal occasions, including Islamic religious occasions such as Idul Fitr and Idul Adha, as well as congregational prayers when visiting mosques. The sarong is the popular garment worn mostly by Muslim men, notably in Java, Bali, Sumatra and Kalimantan. It is a large tube or length of fabric, often wrapped around the waist. The fabric often has woven plaid or checkered patterns, or brightly colored by means of batik or ikat dyeing. Many modern sarongs have printed designs, often depicting animals or plants. It is mostly worn as a casual wear but often worn during the congregational prayers as well. The baju koko, also known as baju takwa, is a traditional Malay-Indonesian Muslim shirt for men, worn usually during the formal religious occasions, such as Idul Fitr festival or Friday prayers. It is often worn with the sarong and peci. The kerudung is an Indonesian Muslim women's hijab, which is a loosely worn cloth over the head.