We pray behind the place where Abraham stood out of appreciation to him.

{ And [mention] when We made the House [i.e., the Ka’bah] a place of return for the people and [a place of] security. And take, [O believers], from the standing place of Abraham a place of prayer. And We charged Abraham and Ishmael, [saying], "Purify My House for those who perform ‹Tawaf1 and those who are staying [there] for worship and those who bow and prostrate [in prayer]." }