Belarus–Poland border barrier

On 25 January 2022, Poland began building a new border wall on the border with Belarus to prevent illegal immigration in the aftermath of the Belarus–European Union border crisis. == Construction == Poland began work on the 5.5-metre-high (18 ft) steel wall topped with barbed wire at a cost of around 1.6 billion zł (US$407M) aimed at blocking the passage of illegal migrants during the border crisis in the region artificially instigated by Belarus in the late summer of 2021.

Source: Wikipedia — Belarus–Poland border barrier (CC BY-SA 4.0)