Flood Fill H3 Hexagons on Drive Time [OC]

Visual from an article I wrote on how to use H3 hexagons for network design in last mile operations. It shows all the places you can reach within 2 hours on a typical day from the center, overlayed over Manchester UK. Article: https://medium.com/@simonakkerman/the-hidden-geometry-behind-smarter-delivery-networks-0316f202278f by KairoOscuro