Famous the world over for the 24-hour endurance race that defines its global identity, the city of Le Mans (France) pairs that motorsport prestige with a beautifully preserved medieval centre and a proud tradition of large-scale events. Central to this culture is the city’s Marie-Marvingt Stadium, a 25,000-seat arena that hosts more than 100 events a year, from football and rugby to concerts and more. When the stadium’s ageing LED screens began …