Is the largest hour in the world; in 2008 on the third of March, the Emir of Mecca issued a speech about the King of Saudi Arabia to establish an hour at the highest tower in Mecca, the fifth tower, the height of 801 m, in order to hear and see from all sides, The most famous designers and designers in Germany, and participated in the design of multiple bodies, and the hour of Mecca has several characteristics in terms of design and materials used and mechanism of work and the quality of the industry. This project included the construction of four hours, each on the tower of the towers of Mecca, two of them are two main; the first facing the Haram Makki from the north, and the other from the south, both at the height of 80 meters width of 65 m and diameter of about 43 meters, The third in the east direction, and the fourth in the west, and the height of about 65 meters, the width of 39 meters, and the diameter of about 25 meters, and glorified the word of Majesty from all directions. Features and features of the Mecca hour Mecca hour is 40 meters, 400 meters above the surface of the earth. This watch was manufactured in Germany by the most skilled engineers and designers. Contains a collection of light sources that emit different types of radiation in events such as holidays, and the beginning of the Hijri months. Special light signals are issued at the time of the adhaan and others at the time of the prayer, so that people with special needs or those who are deaf can know the date of prayer. Each beam of the clock contains approximately 16 beams of light that appear vertically up to tens of kilometers and have a power of 10 kW. The adhaan is issued from the top of the hour so that the hearing of the adhaan reaches seven kilometers from the Holy Mosque by loudspeakers. The highest peak of the clock is 21,000 light bulbs that emit green and white radioactive light at the time of the adhaan and can be seen clearly up to 32 kilometers from the tower. Daytime backgrounds differ from the night in terms of colors. The facade in the afternoon is white and its indicators are black. At night, the facade is green and the indicators are white. The clock tower holds the largest crescent in the world reaching 601 meters from the roof of the campus. Each tower inside contains a range of rooms for operation, maintenance and service, similar in style to ships design, as well as permeating each elevator tower to transport visitors across the tower's honor. The towers' walls surround the decorations that reflect the ancient Islamic heritage and teachings. We note that a German company under the supervision of bin Laden company and with the help of about 250 specialists and technicians to complete the towers with the use of seven tower cranes for construction work.
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