the SS Nevasa group is when we were in the 4th year and cruised the Med.
It predates the other photo you have (a Uganda group, same cohort) - which was a Lower 6th trip - so it must have been about 1970. It was in a park in Lisbon, Portugal - a group of us were befriended by a local lad. Back row left to right Matthew Bolton, Ian Bourton, Phil Cooper Front left: Glyn Balmer, Paul Cousins, local, Brian Greenaway, Andy Dykes

All the best Charlie Alford