ENOfficial
He said that God’s messenger went round the House on a camel, and as often as he came to the corner he pointed to it with something in his hand and said, “God is most great.” Bukhari transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَنْهُ أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ طَافَ بِالْبَيْتِ عَلَى بَعِيرٍ كُلَّمَا أَتَى عَلَى الرُّكْنِ أَشَارَ إِلَيْهِ بِشَيْءٍ فِي يدِه وكبَّرَ. رَوَاهُ البُخَارِيّ
sunnah.com