One of the main reasons that the Three Gorges dam was built was to prevent flooding further downstream. The need for a dam was highlighted in 1954 when people were killed as a result of flooding of the Yangtze River.
Arab Spring refers to the democratic uprisings that arose independently and spread across the Arab world in 2011. The movement originated in Tunisia in December 2010 and quickly took hold in Egypt, Libya, Syria, Yemen, Bahrain, Saudi Arabia, and Jordan.
As the Arab world expanded eastwards it too became acquainted with the production of paper and paper mills were set up in Baghdad, Damascus and Cairo, and later in Morocco, Spain and Sicily. Owing to the lack of fresh fibres, the predominant raw material used was rags.