vizthex90,476 31 Jul 2021 30 Aug 2021 30 Aug 2021
Be sure you got every symbol from the first and second areas, then build the last 2 bridge segments (to the left of the spawn area, near the symbol below the sand) and the first one (next to you when you enter the level).
Cross over and use your scarf to jump the gap, then you should get the achievement after completing the level.