Cycling and mapping all the streets in London

<img width=“750” height=“563” src=“https://i0.wp.com/flowingdata.com/wp-content/uploads/2020/03/cyling-all-the-streets-in-London.jpg?fit=750%2C563&ssl=1" class=“attachment-medium size-medium wp-post-image” alt=“” srcset=“https://i0.wp.com/flowingdata.com/wp-content/uploads/2020/03/cyling-all-the-streets-in-London.jpg?w=2000&ssl=1 2000w, https://i0.wp.com/flowingdata.com/wp-content/uploads/2020/03/cyling-all-the-streets-in-London.jpg?resize=750%2C563&ssl=1 750w, https://i0.wp.com/flowingda …