Decode the Ancient Tide Maps

Recruit — S.P.A.R.K. intercepted a scroll from the deep. Read it. Then tell me what the whole passage is REALLY about.

The Lost City of Aqua Azul was built beneath the waves thousands of years ago. Its citizens learned to breathe underwater and build homes from living coral. The city's greatest achievement was a tide-powered library that stored knowledge in glowing scrolls. Explorers who visit today say the most important thing to understand is how the Aqua Azulians worked together to survive in an environment no one else could.