A man stands in front of White Bridge on Karun River in Ahvaz, Khuzestan Province, on January 23, 2023, as the southwestern Iranian city is hit by heavy fog. ALIREZA MOHAMMADI/ISNA

A man stands in front of White Bridge on Karun River in Ahvaz, Khuzestan Province, on January 23, 2023, as the southwestern Iranian city is hit by heavy fog.

 

ALIREZA MOHAMMADI/ISNA