Trango Nameless Tower, Insumisioa. It was reported that the Spainish team of Fermín Izco, Mikel Zabalza, and Antonio Aquerreta established a new route on the Northeast Face of the Trango Nameless Tower. Insumisoa was developed at roughly the same time as The Book of Shadows, and the 900-meter was given a grade of VI 6a A3+. (Desnivel)