Map shows you where a raindrop ends up

<img width=“750” height=“444” src=“https://flowingdata.com/wp-content/uploads/2021/05/River-runner-750x444.png" class=“attachment-medium size-medium wp-post-image” alt=“” loading=“lazy” srcset=“https://flowingdata.com/wp-content/uploads/2021/05/River-runner-750x444.png 750w, https://flowingdata.com/wp-content/uploads/2021/05/River-runner-1090x645.png 1090w, https://flowingdata.com/wp-content/uploads/2021/05/River-runner-210x124.png 210w, https://flowingdata.com/wp-content/uploads/2021/05/River-runner-768x45 …