 Twelve years later, in 1988, the diocese was renamed the Diocese of Évry–Corbeil-Essonnes and Évry Cathedral was commissioned from the Swiss architect Mario Botta.Initial studies were conceived the same year, and groundbreaking took place in the spring of 1991.He designed a strikingly contemporary cylindrical concrete tower, high, faced with 840,000 handmade red bricks crowned by a ring of trees around the edge of the roof.