Pol Roca managed the first ascent of a complex and super hard boulder in the Catalonian bouldering area Comarca near Barcelona. For the line Double Bubble Pol Roca suggests the degree 8b +.
The Comarca bouldering area near Barcelona has compact sandstone blocks and is still in the process of being developed. Pol Roca, Chris Sharma and other climbers active in Spain have been active in the area for some time. Recently there was a video showing the inspection of Double Bubble published by Pol Roca.
Credits: Picture Screenshot Video, Infos about Bouldering area Comarca