Once the Iqama was pronounced and Messenger of Allah ﷺ faced us and said, "Straighten your rows and stand closer together, for I see you from behind my back.'  

أُقِيمَتِ الصَّلاَةُ فَأَقْبَلَ عَلَيْنَا رَسُولُ اللَّهِ ﷺ بِوَجْهِهِ فَقَالَ أَقِيمُوا صُفُوفَكُمْ وَتَرَاصُّوا فَإِنِّي أَرَاكُمْ مِنْ وَرَاءِ ظَهْرِي