Airplanes let us witness the majesty of the world above the clouds, but the places where these vessels are born and serviced have a beauty all their own—efficient, complex, and remarkably clean.

A Rainbow Ladder, for cleaning purposes, stands above a Boeing 737-800 at the Boeing Wichita plant in Wichita, Kansas, August 18, 2004.

The Stunning Factory Porn Of Aircraft Assembly Lines

(Photo by Larry W. Smith/Getty Images)

Inside of a Boeing 777 cockpit at the Boeing Wichita plant in Wichita, Kansas.

The Stunning Factory Porn Of Aircraft Assembly Lines

(Photo by Larry W. Smith/Getty Images)

Workers assemble an aircraft jet engine at the Rolls-Royce aircraft engine factory in Berlin, Germany, which produces engines for Airbus and Boeing, among others, August 23, 2006.

The Stunning Factory Porn Of Aircraft Assembly Lines

The Stunning Factory Porn Of Aircraft Assembly Lines

The Stunning Factory Porn Of Aircraft Assembly Lines

(Photo by Sean Gallup/Getty Images)

The first Boeing 787 Dreamliner takes shape in the assembly in Everett, Washington, May 21, 2007.

The Stunning Factory Porn Of Aircraft Assembly Lines

(Photo by John Froschauer/AP)

Planes are lined up for the finishing touches at the Cessna manufacturing plant in Bend, Oregon, May 14, 2008.

The Stunning Factory Porn Of Aircraft Assembly Lines

(Photo by Don Ryan/AP)

Engines of an Airbus A380 aircraft, under construction at the Jean-Luc Lagardere assembly factory in Toulouse, France, September 19, 2008.

The Stunning Factory Porn Of Aircraft Assembly Lines

The Stunning Factory Porn Of Aircraft Assembly Lines

(Photo by Pascal Parrot/Getty Images)

Airbus plane of the type A319 under construction at the Airbus factory on February 6, 2009, in Hamburg, Germany.

The Stunning Factory Porn Of Aircraft Assembly Lines

(Photo by Martin Rose/Getty Images)

Boeing 747 jets are built in the company's factory at Paine Field in Everett, Washington, February 8, 2009.

The Stunning Factory Porn Of Aircraft Assembly Lines

The Stunning Factory Porn Of Aircraft Assembly Lines

(Photo by Stephen Brashear/Getty Images)

Cables hang from the ceiling of an unfinished 747-8 Intercontinental airplane cockpit, Boeing's newest passenger at the Boeing factory, February 12, 2011

The Stunning Factory Porn Of Aircraft Assembly Lines

(Photo by Stephen Brashear/Getty Images)

Boeing employees work on a Boeing 787 Dreamliner on one of the assembly lines at the company's factory in Everett, Washington, February 14, 2011.

The Stunning Factory Porn Of Aircraft Assembly Lines

The Stunning Factory Porn Of Aircraft Assembly Lines

The Stunning Factory Porn Of Aircraft Assembly Lines

(Photo by Stephen Brashear/Getty Images)

Boeing 777 passenger planes in various stages of completion, February 14, 2011.

The Stunning Factory Porn Of Aircraft Assembly Lines

The Stunning Factory Porn Of Aircraft Assembly Lines

(Photo by Stephen Brashear/Getty Images)

Boeing 737 engines in Renton, Washington, January 10, 2012.

The Stunning Factory Porn Of Aircraft Assembly Lines

(Photo by Stephen Brashear/AP)

A Boeing employee drives a lift near a GE engine for a Boeing 777 airliner, June 13, 2012.

The Stunning Factory Porn Of Aircraft Assembly Lines

(Photo by Stephen Brashear/Getty Images)

In the nose of a Boeing 747-8 Freighter.

The Stunning Factory Porn Of Aircraft Assembly Lines

(Photo by Stephen Brashear/Getty Images)

Working on the Boeing 767 assembly line.

The Stunning Factory Porn Of Aircraft Assembly Lines

(Photo by Stephen Brashear/Getty Images)

An employee works on the wing of a Boeing 777.

The Stunning Factory Porn Of Aircraft Assembly Lines

(Photo by Stephen Brashear/Getty Images)

Technicians work on the wing of an Airbus A320 during construction at the Airbus SAS factory on November 7, 2013 in Broughton, United Kingdom.

The Stunning Factory Porn Of Aircraft Assembly Lines

The Stunning Factory Porn Of Aircraft Assembly Lines

The Stunning Factory Porn Of Aircraft Assembly Lines

(Photo by Christopher Furlong/Getty Images)