I will strongly suggest to watch and pay attention to the details the short series by Larken Rose - The island:
Part one:
https://www.youtube.com/watch?v=2pseCI0AxgM

Part two:
https://www.youtube.com/watch?v=3aSG0_trfp8

Part three:
https://www.youtube.com/watch?v=Qs0wPTutJHQ