More mountain ranges that were once huge buildings constructed by the previous highly advanced old world which was a completely different civilisation than us humans and they constructed their world from red bricks and concrete and judging by the destroyed melted ruins indicates it was a huge population unimaginable amounts of vessels running smoothly in a electromagnetic world until something happened where it overloaded and suffered a meltdown rather like what happened in Chernobyl or mauri or even the so called great fires so called earth quakes is it technology that they know about and can still use? Makes you wonder if they invaded this realm and took over!