Behind the scenes: 34 cool pics from Houston Bush Intercontinental Airport

Sporting a retro livery, a Lufthansa Boeing 747-8i takes off for Frankfurt, Germany, from George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

A United Airlines Boeing 767-300 taxis out for departure from George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

A Singapore Airlines Airbus A350-900 taxis out for departure to Singapore from Houston's George Bush Intercontinental Airport on Jan. 26, 2019.

A United Airlines Boeing 787-9 is towed to its gate at George Bush Intercontinental Airport in Houston on Jan. 26, 2019.

A giant cowboy boot adorned with the Texas flag sits in Terminal C at George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

A United Airlines Airbus A319 prepares to take off from runway 15R at George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

A United Airlines Boeing 737 is readied for departure at George Bush Intercontinental Airport in Houston on Jan. 26, 2019.

A canopy of lanterns hovers over Yume, an Asian-themed restaurant at George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

A United Express Embraer E175 is pushed back from the gate at George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

Passengers grab a drink before their flight at George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

A Spirit Airlines aircraft lands in the morning fog at George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

An Air France Airbus A330 takes off for Paris from George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

The impressive bar at Q, a barbecue restaurant, towers over patrons at George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

A United Express Embraer E145 awaits taxi clearance at George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

United Airlines planes fill the gates of Terminal B at George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

Two United Express Embraer E175s prepare for departure from George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

Travelers play games on a tablet in United's newly renovated Terminal C at George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

Delicate and intricate, a tile mosaic dragonfly is one of the many art installations found throughout George Bush Intercontinental Airport in Houston.

United Airlines jets are readied for their next flight at George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

United Airlines jets taxi past one another at George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

Bound for Anchorage, Alaska, a Cathay Pacific Cargo Boeing 747-8F takes off from George Bush Intercontinental Airport in Houston on Jan.27, 2019.

Passengers search for their gate at George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

A pilot heads to his next flight at George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

This is the interior of one of the "banjo" terminals, built in the late 1960s, at Houston Intercontinental's Terminal B.

A pilot and passengers take a rest between flights at George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

Bound for London, a United Airlines Boeing 777-200 takes off from George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

A United Airlines Boeing 737 takes off past the old tower at George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

Wheels still spinning, the undercarriage of a United Airlines Boeing 767-300 is sucked up into the belly after taking off from George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

A United Airlines Boeing 737 takes off from George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

A United Airlines Boeing 737 takes off from George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

Jets fill the gates at Terminal A at George Bush Intercontinental Airport in Houston on Jan. 27, 2019.

A Delta Air Lines Airbus A220 prepares to head out on a test flight at George Bush Intercontinental Airport in Houston on Jan. 27, 2019.