However , the 5th century saw an unprecedented growth in urban and rural settlements throughout the entire oasis .
After the fall of the Kushan Empire , Bukhara passed into the hands of Hua tribes from Mongolia and entered a steep decline .
The 5th century saw an unprecedented growth in urban and rural settlements throughout the entire oasis .
After the fall of the Kushan Empire , Bukhara passed into the hands of Hua tribes from Mongolia and entered a steep decline .