I really like the posts of inventions and discoveries because it give the essence or push for more exploration means in my opinion we are living in an world which is still an great mystery and as days passing we can witness news inventions and discoveries and in my opinion the ancient people were not less intelligent or educated, after watching the architectural structures and their construction it will reflect that they were more intelligent and explorative. Thanks for sharing this post with us and wishing you an great day. Stay blessed. 🙂