People buy date palms in a town near Riyadh, capital of Saudi Arabia. (Photo/Xihua)

　　Saudi Arabia, a mysterious Arab country best known for its abundant oil resources, is a leading power in the Middle East. Occupying the bulk of the Arabian Peninsula, it is the second-largest state in the Arab world after Algeria. Amid King Salman bin Abdul-aziz Al Saud's visit to China, let's take a quick look at what you need to know about this all-important Muslim country.

　　Thousands of pilgrims attend the hajj in Mecca, Saudi Arabia in 2011. (Photo/Xinhua)

　　Saudi Arabia, a mysterious Arab country best known for its abundant oil resources, is a leading power in the Middle East. Occupying the bulk of the Arabian Peninsula, it is the second-largest state in the Arab world after Algeria. Amid King Salman bin Abdul-aziz Al Saud's visit to China, let's take a quick look at what you need to know about this all-important Muslim country.

　　The Archaeological Site of Al-Hijr (Mad?in S?lih) is the first World Heritage property to be inscribed in Saudi Arabia. (Photo/Xinhua)