Oldest cave in the world

The beautiful Egypt land of many secrets.

Sonnur cave, one of the oldest caves in the world,

scientist say it goes back to 40 million years,its located in the city of bani swaif in Egypt,

Lets see some photos from inside.

Sonnur Valley is characterized by its unique geological formations and its rare (crescent) shape.
It is an ideal phenomenon for the integrated karst and crystalline limestone formations,
which has added gravity and beautiful beauty to the rare earth formations.
It is also a typical cave Rarely precipitated calcium carbonate in its various forms,
which result from the factors of erosion (karst),
which is one of the cave of the most rare manifestations in the world,
a cave of nature ranging from 36 to 40 million years in ancient times,
On the The gypsum of the Eocene gypsum located in Mount Sonnur.

What can we know if there were more researches in this cave? 

 A Cave from 40 million years open many questions.

When was earth created?? ,I guess this is one of them ... share your questions in our comment lets get involved in thoughts.