وَيَوْمَ نُسَيِّرُ ٱلْجِبَالَ وَتَرَى ٱلْأَرْضَ بَارِزَةً وَحَشَرْنَٰهُمْ فَلَمْ نُغَادِرْ مِنْهُمْ أَحَدًا

And the day on which We will cause the mountains to pass away and you will see the earth a levelled plain and We will gather them and leave not any one of them behind.