It is more likely the black tarmac used to fill in cracks in said runways, and I’m almost certain you’ve stepped in that on a hot day at some point in your life and know that it gets soft. No reason to be skeptical…
It is more likely the black tarmac used to fill in cracks in said runways, and I’m almost certain you’ve stepped in that on a hot day at some point in your life and know that it gets soft. No reason to be skeptical…