The feeling, almost, that you have grown suddenly smaller by entering there, that you are dwarfed to less than human size - to such an extent do the proportions of these ruins seem to crush you - and the illusion, also, that the light, instead of being extinguished with the evening, has only changed its colour, and become blue: that is what one experiences on a clear Egyptian night, in walking between the colonnades of the great temple at Thebes.