I visited the recently discovered sangham recently discovered Sangam period archelogical excavation in Madurai about two months ago. It was a wonderful experience in a trip arranged by Trichy trekkers group. I had also visited some rock cut temples in Yanaimalai and other small hills.
Now, after two months, I have mapped the places in osm. Here’s the archelogical site if you plan to visit it:
Here’s the entire changeset containing all the historic places and roads I mapped
Also with this, my two month backlog of openstreet mapping has been finished.