What’s an intuitive way to reset drill down charts to their default state?

I’m building a drill-down chart flow that has two graphs that work together
On the left, the bar graph has a list of locations and their temperatures. On the right, there’s a temperature timeline of the same locations. In order to isolate …
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How would you design a three stage bar chart drill down?

I’m designing a drill-down chart for management to analyze heat trends that are impacting their staff across multiple factories.
The images show the intended flow in which they would be using the charts.
Chart 1 – the staff groups X exposu…