From USA Today:
On every ship you can view water but it's only on a select few where you can stop and smell the roses, or at least enjoy the presence of real living flowers and plants. Cruise companies, working with horticultural experts, have developed methods to keep all sorts of green stuff alive at sea – even grass and trees.
Take a walk in the park on these cruise lines.
Crystal: A self-contained, freestanding "living wall" at sea debuted on the Crystal Symphony last year. The vertical garden is planted with a variety of indoor plants configured to mimic a world map. The greenery is located in an al fresco area of the Trident Grill on Deck 11 of the luxury ship. Upkeep is by the ship's team of onboard florists. The plants stay intact because their root structures are anchored in two to four inches of soil, according to the line. The Crystal Serenity will see four "living walls" and additional greenery installed during a refurbishment in November.
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