"Cardinal Kurt Koch, President of the Pontifical Council for Promoting Christian Unity, planted this olive tree on 23 January 2011. Linked to the tree placed in Lutherstadt Wittenberg (Germany), it is a sign of the growth in communion between the Lutheran World Federation and the Catholic Church."
<a href="//commons.wikimedia.org/wiki/User:Rabanus_Flavus" title="User:Rabanus Flavus">Rabanus Flavus</a>
<span class="int-own-work" lang="en">Own work</span>