To say that Los Angeles International Airport is a large hub airport is an understatement as it’s the fourth busiest airport on the planet serving almost 81 million passengers in 2016. Popularly known by it’s 3-letter aviation abbreviation LAX recently completed five days of upheaval that saw 21 airlines including Air Canada swap terminals in the dead of night. Here’s a behind-the-scenes look at this massive move.

Air Canada’s has posted this advisory about the new LAX terminal location: