Leaflet more maps and Leaflet markercluster tutorial
We also looked at the leaflet map cluster module, with a beauitiful animated zoom/cluster functionality which allows different markers on a map to be clustered. Say for example a company has different branches all over the world. You can show a cluster of branches in different states, countries, and maybe continent.
In other to be able to follow this tutorial, it is assumed you already know how to use the leaflet module. Here is a link to the first tutorial, to be able to follow along.