Environmental demonstrators block a highway, during a protest in Belgrade, Serbia, Saturday, Jan. 15, 2022. Hundreds of environmental protesters demanding cancelation of any plans for lithium mining in Serbia took to the streets again, blocking roads and, for the first time, a border crossing. Traffic on the main highway north-south highway was halted on Saturday for more than one hour, along with several other roads throughout the country, including one on the border with Bosnia. (AP Photo/Darko Vojinovic)
