The camera zooms in on a group of eight friends dressed in black and white, gazing intently at the iconic image of the Alhambra in Barcelona, Spain. Their faces are filled with expressions of confusion and joy as they pose for a photo, their eyes fixed on their own face. The sun shines down on them, casting long shadows across the cityscape below. People from around the world stop in their tracks to snap selfies and admire their vantage point.