The Hassan II Mosque is a mosque in Casablanca, Morocco

The Hassan II Mosque is a mosque in Casablanca, Morocco. It is the largest functioning mosque in Africa and is the 14th largest in the world. Its minaret is the world's second tallest minaret at 210 metres (689 ft). Completed in 1993, it was designed by Michel Pinseau under the guidance of King Hassan II and built by Moroccan artisans from all over the kingdom. The minaret is 60 stories high topped by a laser, the light from which is directed towards Mecca. The mosque stands on a promontory looking out to the Atlantic Ocean; worshippers can pray over the sea but there is no glass floor looking into the sea. The walls are of hand-crafted marble and the roof is retractable. A maximum of 105,000 worshippers can gather together for prayer: 25,000 inside the mosque hall and another 80,000 on the mosque's outside ground.

Architecture

In the words of the authors of the book Morocco Country Study Guide, the Hassan II Mosque "undeniably marks the continuity of a modernized ancestral art and bears the sign of innovations that are due not only to technical reasons but also to a fertile exploration of new aesthetic possibilities."  The building dimensions are 200 metres (660 ft) in length and 100 metres (330 ft) in width. All of the granite, plaster, marble, wood and other materials used in the construction, were extracted from around Morocco, with the exception of some Italian white granite columns and 56 glass chandeliers. Six thousand traditional Moroccan artisans worked for five years to create the abundant and beautiful mosaics, stone and marble floors and columns, sculpted plaster moldings, and carved and painted wood ceilings. The exterior surfaces of the mosque display titanium, bronze, and granite finishes. It is ornamented with pale blue marble and Zellige tilework. A particular feature in the mosque is that all structures are made of reinforced cement concrete and all decorations are of traditional Moroccan design. The construction work involved engagement of 35,000 workers and working of over 50 million hours. The mosque has capacity to accommodate 25,000 devotees for prayers in the main hall and another 80,000 in the plaza squares around it. Notable architectural features include the conspicuous columns, the horseshoe arches, and the innumerable muqarnas embellishing the ceilings. The dome, arches and walls give a grand ambiance to the mosque. The first-class sound system is discreetly hidden. The ablution room and a vast public hammam are in the basement, with its own entrance.  Tadelakt, a plastering technique which adds egg yolks and black soap into mixed plaster, was used in the hammam baths.

Source : Wikipedia