Borith lake's board is what you will see as you drive towards passu probably in pursuit of Khunjerab pass. I kept passing by it for three years until just last week when I decided to see k scene kia hai. Scene Kafi "awn" hai jee.
The trick is to go after lunch warna apka medium well steak tyar hojaiga. I went before lunch and was able to see it change different shades (more pics to come later) but this is what my cellphone saw. Dekhlen sakoon se