Olivone – Dongio: Madonne del latte e cioccolato Tappa 7 https://upload.wikimedia.org/wikipedia/commons/7/7c/Tessin_Lukmanierpass_04.JPG https://www.ticino.ch/it/commons/details/La-Fabbrica-del-Cioccolato-c-o-Cima-Norma/136547.html https://www.e-periodica.ch/cntmng?pid=kas-002:1995:46::583