The Rites of Hajj (Kitab Al-Manasik Wa'l-Hajj)
Dawud :: Book 10 : Hadith 2014
Narrated Aisha, Ummul Mu'minin:
I said: Apostle of Allah, should we not build a house or a building which shades you from the sun? He replied: No, it is a place for the one who reaches there earlier.