'Demonstration / dɛmənˈstreɪʃ(ə)n /: An act of showing that something exists or is true by giving proof or evidence.' This is what Scott Brash and Hello Sanctos did yesterday proving that there is a reason why they are both ranked the best in the world when they went on to claim their second Rolex Grand Prix win in a row, taking the victory in Aachen - and getting one step closer to the Rolex Grand Slam-title. All photos (c) Jenny Abrahamsson.