Picnicking In Style

A while ago, I rediscovered a pile of boxes filled with old slides and spent several days scanning them into my computer.  One of them shows my elegant mother sporting oh-so-chic sunglasses and a rather soigné scarf enjoying what looks like quite a liquid picnic spread out on the hood of my parents' 1960 Ford Zephyr in the middle of an English field.  Style with a capital S!