Basic General Knowledge
The largest airport in the world is

Indira Gandhi International Airport
King Khalid International Airport
Cochin International Airport
Palam Airport

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Basic General Knowledge
The regional economic commissions of the Economic and Social Council (UNO) are

All of these
ECE (Economic Commission of Europe) and ESCAP (Economic and Social Commission for Asia)
ECLA (Economic Commission for Latin America) and ECA (Economic Commission for Africa)
ECWA (Economic Commission for Western Asia) and ECLA

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