cables.js is derived from TeleGeography's Submarine Cable Map data
(https://www.submarinecablemap.com/api/v3/cable/cable-geo.json), simplified and reformatted.

Copyright (c) TeleGeography. Published by TeleGeography under the Creative Commons
Attribution-NonCommercial-ShareAlike 3.0 Unported license (CC BY-NC-SA 3.0):
https://creativecommons.org/licenses/by-nc-sa/3.0/

This derived file is shared under the same license. It may not be used commercially.