Complex sentence: Motor racing pioneers Vincenzo Lancia and Felice Nazzaro laid the last two bricks at Monza, and at that time, the circuit was 10 km (6.25 miles) long, with a flat banked section and a road circuit combined into one.
Split into simpler sentences: Motor racing pioneers Vincenzo Lancia and Felice Nazzaro laid the last two bricks at Monza. The circuit was 10 km (6.25 miles) long, with a flat banked section and a road circuit combined into one.