Grant Stott takes a look at the invention of tarmac. Roads used to be made from clay, earth or chalk, but these materials were very messy. John McAdam thought it would be easier if the roads were ...
For the best experience, please enable JavaScript in your browser settings. The tarmac road, the first ever in Wajir County. In the background is the new county ...
Grant Stott takes a look at the invention of tarmac. Roads used to be made from clay, earth or chalk, but these materials were very messy. John McAdam thought it would be easier if the roads were ...