11 February 2017. Following several recent gains in Al-Bab city, the Turkish Armed Forces and Turkish-backed Syrian rebels proceeded to seize a number of key sites along with dozens of building blocks inside the Islamic State bastion in the eastern Aleppo countryside.

AL MASDAR NEWS

https://www.almasdarnews.com/article/turkish-army-syrian-rebels-capture-handful-important-sites-inside-al-bab-city

At industryabout.com:

Syria - Industrial Map

Al Bab Grain Silos