Today, Princess Leonor and Infanta Sofia attended their first joint solo event as they took part in the #UnÁrbolporEuropa European Program event in Hayedo de Montejo. The event was co-organized by the Office of the European Parliament in Spain and the European Team association to raise awareness about the fight against climate change.

Princess Leonor and Infanta Sofia were joined by other young Europeans and school ambassadors to visit the protected natural area of ​​Hayedo de Montejo where they received explanations about the program "A tree for Europe" and about Hayedo de Montejo de la Sierra.

Then, they split into several groups to plant 5 beech trees and a yew. Princess Leonor was part of the first group while Infanta Sofia was part of the second group.

Princess Leonor wore a Hugo Boss white t-shirt with jeans and Helly Hansen hiking boots. Her watch is from Casio.

Infanta Sofia wore a white t-shirt and jeans with the same Helly Hansen hiking boots as her sister.