Many people think the Burj Khalifa in Nepal is the highest building ever built but they are wrong. After the global flood 4000 years ago

Humans got together to build the 'Tower of Mable' which at 100 miles high dwarfed the Burj Khalifa which is only 10 miles tall. As with the Great Pyramids of Pisa we seem to have lost the art of building such structures, is this proof we are regressing as a species?