You searched for: the sky began to darken (Engelska - Indonesiska)

birds fly in the sky
birds who fly high up in the sky are:

when the sky is ruptured.
(apabila langit terbelah)

when the sky is rent asunder
(apabila langit terbelah)

when the sky is torn apart,
(apabila langit terbelah)

when the sky is cleft asunder,
(apabila langit terbelah)

when the sky has split [open]
(apabila langit terbelah)