"They have visitors in the high summer weather, when a grey cloak and umbrella, unknown to Chesney Wold at other periods, are seen among the leaves" - Bleak house, Dickens.
what he actually meant by "a grey cloak and umbrella are seen among the leaves"? How can you see an umbrella and cloak(one type of garment/dress whatever) among the leaves?? PS- I know the meanings of all words here.