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Transports : Metro Line C - Croix-Rousse stop
Post your SMS messages on 31014 preceded by the keyword "SUREX" or using the "SurExposition" (OverExposure) application, which will transform them into Morse code and light. These light signals will be sent into the sky from a large black monolith installed on the esplanade and visible throughout the city! Before being transformed into light, all message texts and their translation into Morse code are displayed on the monolith and on your smartphone.
Project Orange