Sinkable Surface in a Jungle or Desert

This page is the CodyCross answer for the clue below from Inside the Spaceship, Group 1193, Puzzle 4 (Beautiful Artwork).

Question is: Sinkable Surface in a Jungle or Desert

and the answer is: QUICKSAND

Word Meaning:

QUICKSAND — Wet sand that appears firm but in which things readily sink, often found near rivers or coasts.

Definitions from Wiktionary.

Sinkable surface in a jungle or desert — CodyCross Answer | CodyCross Solutions