Longest Built Structure in the World as of 2021
This page is the CodyCross answer for the clue below from Inside the Spaceship, Group 1185, Puzzle 3 (Planes and Air Travel).
Question is: Longest Built Structure in the World as of 2021
and the answer is: GREATWALL
Word Meaning:
GREAT WALL — Synonym of galaxy filament
Definitions from Wiktionary.