Takeoff at runway 36L , Amsterdam Airport. The captain,my friend,took the takeoff to Chengdu. With another two flights to go,after this one,this should be his last visit at Chengdu. At least as KLM captain. The flightplan had runway 36C for departure. But after changing it the captain gladly directed me to runway 36L. Otherwise I should have missed his takeoff. I had really to hurry by reaching the runway. The captain almost reached the runway. So I could videograph one of his last departures at Amsterdam Airport. I would'nt have missed it.