Map card: markers with same geo coords - how to show overlapping markers

[ildar170975]

Example:
Currently it is possible to show states on markers on Map card:

Some weather stations provide several parameters - like pressure, humidity, temperature.
Assume wee need to show all of the on a map.
Since all these sensors have same geo coordinates - they are overlapping each other, and only the topmost can be seen.

Would be great to do this:
If two or more entities have same coordinates - show one marker on its coordinates, show other markers nearby connected by lines ("links") to the 1st marker:

May be someone has another (better) ideas.

And probably this approach may be used for any markers, not only with states...

[karwosts]

maybe duplicate w/ #17985 if you want to combine.