You are cordially invited to a modern English picnic with a distinctly traditional flavour.
"Picnic. Originally, A fashionable social entertainment in which each person present contributed a share of the provisions; now, A pleasure party including an excursion to some spot in the country where all partake of a repast out of doors"
---Oxford English Dictionary [Clarendon Press:Oxford], 2nd edition, Volume XI (p. 779)
Check programme for location details.
