This book accompanies an exhibition at Amsterdam's FOAM, exploring a 1958 Bastille Day in Paris through Van der Keuken's photography. It originates from a renowned image showing a couple dancing amidst dilapidated buildings, first published in 1964. The discovery of 32 additional negatives enriches the narrative, featuring groups of girls socializing, couples dancing, and children laughing. The sequence reveals the context, showcasing Van der Keuken's artistic choices and perceptions. His attention to cinematic qualities and capturing motion, which defined his later career, is highlighted through these images, offering insight into his unique process and vision.