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The authorities hope that the new airport will be able to handle more than 185 million passengers as well as 3.5 million cargo by 2050.
According to reports, the 88-year-old monarch has developed health complications.
The king's medical team decided that he should undergo a treatment programme consisting of antibiotics until the infection went away.
During the visit to Saudi Arabia, Biden is expected to discuss human rights, one of several issues that strained ties.
The 'Saudi Games' will be held in Riyadh between March 23 and April 1 and will feature 40 sports disciplines -- including swimming, athletics, archery, badminton and basketball -- that will be open to men and women, officials said.
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