DCVC@DCVCWith droughts in the west and a looming hurricane season in the east, the threat to above-ground grid infrastructure is real. @DCVC backed @we_are_petra’s #tunnelingrobot bores #utilitytunnels through underground #hardrock to keep grids out of harm’s way. https://petra.cc10:00 PM · Jun 6, 20222 Retweets5 Likes