It wasnarrated that 'Abdullah bin 'Umar said:
"I heard the Messengerof Allah (ﷺ) say: 'Whoever performs Tawaf around the House andpraystwo Rak'ah, it is as if he freed a slave.'" (DE)
English reference (DE): Vol. 4, Book 25, Hadith 2956 (DE)
Arabic reference (DE): Book 25, Hadith 3069 (DE)