You may not use this photo for commercial purposes. © Photo: Helsinki Art Museum Tyynykivi / The Pillow Stone Artist Tuntematon/Okänd/Unknown , Helsinki ‘Pillow Stone’ is also known as the ‘Memorial stone to the tree of international friendship’. The stone was donated by the Rotaries in 1983 to commemorate the 50th anniversary of the tree’s planting. The stone includes the text: “Kansojen ystävyyden puu istutti – Nationernas vänskaps träd planterade 22.8.1932 Rotary International Paul P. Harris”. (The tree of international friendship was planted on August 22, 1932 by Rotary International Paul P. Harris). Read more.. At map
