"For this challenge, Survivors had to cross planks in the water and then swim from a pontoon to a bigger platform. From there they had to break tiles to get keys. They then had to unlock a crate with sand bags in them. They had to throw the bags at blocks. The first tribe to have knocked all the blocks off a big platform, which raises their tribe flag, wins." ~ @SurvivorWiki
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Proceed to tribe events.