(77:27) And We placed therein lofty, firmly set mountains and have given you to drink sweet water. (77:28) Woe, that Day, to the deniers. (77:29) [They will be told], "Proceed to that which you used to deny. (77:30) Proceed to a shadow [of smoke] having three columns (77:31) [But having] no cool shade and availing not against the flame." (77:32) Indeed, it throws sparks [as huge] as a fortress, (77:33) As if they were yellowish [black] camels.