In the 2nd stanza the poet brings about a contrast what is it and what does it symbolic important (A Photograph)

Solution:

The poet remarks that the sea appears to have changed less in comparison to the big girl in the picture who is no more. The sea has more or less remained the same but the big girl in the picture with the sun in her hair and a smile on her face has passed away. Human lives are marked by transience and nature's chief characteristic is its permanence. People undergo changes while nature continues with its work.