300,000 visitors expected, over 70 hectares of sports facilities, services, dining areas, tensile structures and camping areas, and above all the largest temporary arena in the world, with an area of 5 hectares, 270 metres in diameter, a circumference of 850 metres, 18 metre-high stands and a capacity of 56,500 seats: we are talking about ESAF, the Federal Wrestling and Alpine Games Festival, which this year takes place in Zug, near Zurich, on 23–25 August 2019.