In the summer of 1921, Pearson visited Europe and, on his own initiative, shared his project with officials in Great Britain, France, and Belgium. He showed them his architectural drawings and indicated the quantities of stone needed.
Durant l'été 1921, Pearson se rendit en Europe et, de sa propre initiative, fit part de son projet à des représentants de ces trois pays, auxquels il soumit ses dessins architecturaux en leur indiquant la quantité de pierres nécessaire.