Sultan Qaboos Grand Mosque
The Sultan Qaboos Grand Mosque (Arabic: جَامِع ٱلسُّلْطَان قَابُوْس ٱلْأَكْبَر, romanized: Jāmiʿ As-Sulṭān Qābūs Al-Akbar) is a Friday mosque located in Muscat, the capital city of the Sultanate of Oman. Completed in 2001 in a contemporary Islamic style, it is the largest mosque in the country and can accommodate 20,000 worshipers.
Source: Wikipedia — Sultan Qaboos Grand Mosque (CC BY-SA 4.0)