Surah Taha — Ayah 106 (20:106)
فَيَذَرُهَا قَاعٗا صَفۡصَفٗا ١٠٦
English translation (Saheeh International)
And He will leave it [i.e., the earth] a level plain;
Brief commentary
He will then leave the earth which used to carry them as flat, with no buildings or vegetation on it.