Statistically speaking, most of you will never set foot on a cruise ship; annually, just 0.375% of the Earth's population does*. And even if you were planning to take a cruise in the future, a projected wave of industry bankruptcies, the threat of viruses and overall economic uncertainty mean the era of cruise ships may be drawing to a close. So have a look inside these marvels of engineering before they blink out of existence.

The gifted technical illustrator Beau Daniels, whose work covers product, automotive, industrial, medical, architecture, aviation and more, has done a series revealing the interior of Harmony of the Seas with both daytime and nighttime views.

Illustration by Beau Daniels

First launched in 2015, Royal Caribbean's $1.35 billion Harmony is the longest cruise ship in the world. It can carry 5,497 passengers spread out over 16 passenger decks.

Illustration by Beau Daniels

The ship features no less than 20 dining venues.

Illustration by Beau Daniels

A five-level solarium provides daytime sunbathing and nighttime stargazing.

Illustration by Beau Daniels

Illustration by Beau Daniels

The colorful area at center is the children's pool. Above and below you can see restaurants, bars and lounges.

Illustration by Beau Daniels

Illustration by Beau Daniels

Illustration by Beau Daniels

The Attic, the onboard comedy club.

Illustration by Beau Daniels

The 1,400-seat theater hosts larger events.

Illustration by Beau Daniels

The Bionic Bar features robot-arm bartenders.

Illustration by Beau Daniels

There are multi-story water slides at both ends of the ship. The purple one at the stern is 10 storeys!

Illustration by Beau Daniels

Illustration by Beau Daniels

Unseen in the illustrations, of course, is the crew quarters. I'm going to hunt those down next.

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*In 2018, the most recent year for which figures were available, 28.5 million people took a cruise, according to The Maritime Executive. The Earth's population in 2018 was 7.594 billion.