THE world's biggest airport is now under construction - and is set to open in 2030.

King Salman International Airport in Saudi Arabia will be the size of 14,000 soccer fields once completed.

The mega-sized airport will be built around the existing King Khalid International Airport in Riyadh.

The extension was was first announced in November 2022 and when finished the huge airport will be 57 square kilometers.

Of that, 12 square kilometers will be reserved for shopping.

Currently, the King Khalid International Airport has two parallel runways.

With the new extension, this will be increased to six and will see 120 million passengers by 2030.

By 2050, the amount of passengers will increase to 185 million.

With the opening of the airport, the number of aircraft takeoffs and landings in

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