react-map-gl is a suite of React components designed to provide a React API for Mapbox GL JS-compatible libraries. More information is in the online documentation. Starting with v2.0, mapbox-gl requires a Mapbox token for any usage, with or without the Mapbox data service. See about Mapbox tokens for your options. To show maps from a service such as Mapbox you will need to register on their website in order to retrieve an access token required by the map component, which will be used...