I noticed Reuters mentioned businesses in SA having to go 'underground' because of the lockdown restrictions and of course I had to check to see if there would be another 'coincidence' and yes, there was another deep earthquake today:

https://www.volcanodiscovery.com/earthquakes/south-africa/archive/2020.html

Just digging around for other underground news and found our own golden boy is curently involved in tunneling too:

https://www.euronews.com/living/2020/06/10/elon-musk-s-47m-underground-tunnels-will-be-used-for-electric-cars

Just watching what is going on underground as it seems to be coming to the forefront lately.