Heinrich Bücherl driving a Eurobrun ER189 at the Hockenheim Historic presentation RaceHistoryOnTrack 2011.
<a href="//commons.wikimedia.org/wiki/User:DoomWarrior" title="User:DoomWarrior">DoomWarrior</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>