Europe fears Afghan refugee crisis after Taliban takeover

Afghan migrants sit in the countryside Wednesday in Tatvan, in Bitlis Province, eastern Turkey. Haunted by a 2015 migration crisis fueled by the Syrian war, European leaders desperately want to avoid another large-scale influx of migrants and refugees from Afghanistan. (AP Photo/Emrah Gurel, File)

HANGEDIGI, Turkey — From above, the new border wall separating Turkey from Iran looks like a white snake winding through the barren hills. So far it only covers a third of the 335-mile border, leaving plenty of gaps for migrants to slip across in the dead of night.