...oh and another thing...my father was to say that he would like to visit a certain public garden, in Interlaken again...my mother was to say that she would like to go too...and that she had never been before...what was the name of it again?

http://www.lonelyplanet.com/switzerland/central-switzerland-and-berner-oberland/interlaken/sights/parks-gardens/alpine-garden

I wonder if they were talking about 'this one'?

 

http://www.virtualtourist.com/travel/Europe/Switzerland/Kanton_Bern/Interlaken-691572/Things_To_Do-Interlaken-MISC-BR-1.html#tip=2212654

 

 

yes I can remember having been there before...when RH and I were 'very young'...