“…However, actual implementation didn't materialize until 2009, when IV finally arrived in Xi'an four years late, and China's Intelligent Vehicles Future Challenge was installed as the IV 2009 demonstration program, with financial support from the National Natural Science Foundation of China [3], [4], [5], [6], [7], [8]. I am glad that this effort has now grown into a new field of scenarios engineering, i.e., verification and validation, and calibration and certification for autonomous driving and intelligent vehicles [9], [10], [11], [12], [13], [14], [15], [16].…”