Djamaa el Djazaïr, also known as the Great Mosque of Algiers, is a large mosque located in Algiers, Algeria. Opened in April 2019, it houses the world's tallest minaret and is the third-largest mosque in the world after the Great Mosque of Mecca and Al-Masjid an-Nabawi of Medina in Saudi Arabia.

The China State Construction Engineering Corporation is a Chinese state-owned construction company headquarted in Beijing. It the largest construction company in the world by revenue and the 8th largest general contractor in terms of overseas sales, as of 2020. In 2023, the company was ranked 66th in the Forbes Global 2000.