How could the Cross and the Tomb of Jesus Christ survived until the 11th century?

The Cross and the Tomb of Christ were found in the 4th century, when Emperor Constantine I organized archaeological excavations on Calvary. After that, they were kept in a specially built temple in Jerusalem, and the nails from the crucifixion were kept in Constantinople.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.