Construction crews in Afghanistan are fixing the deteriorated Salang Pass Tunnel road connecting Baghlan to Kabul.
An extremely rough, bumpy, dirt, and in some places, mud road.
https://www.npr.org/2012/06/24/155302587/afghan-tunnel-decrepit-dangerous-yet-indispensible
https://tribunecontentagency.com/article/fixing-the-salang-pass-tunnel/