If there is any place that has constant 24 hour activity, then that would most certainly be airports, especially international airports.
Whether in its 2am in the morning or 12 noon, international airports are constantly hopping with activities.
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Whether its 2am in the morning or 12 noon, international airports are constantly hopping with activities.
But while every airport gets it's fair share of traffic, some are certainly much more active than others.
From Atlanta, United States to Tokyo, Japan, these are the world's busiest airports.