city of mecca - holiest city on islam - religious tour

makkah almukarramah capital province hejaz region western saudi arabia holiest city revered birthplace islamic prophet muhammad pilgrims population ajj pilgrimage international visitors visited cities world great mosque masjid alharam muslims built abraham ishmael site kabah kabaa haram islam mecca umrah advance progress modern construction buildings towers skyscrapers architecture travel tour develop development date trees tree