Nature is overlooked = the sun is powerful, permanent force unlike human power, borderlines are temporary marks on paper. Also could suggest the divisions of humans whether geographical or gender the sun still shines and unity can be found in our differences.
'If buildings were paper, I might feel their drift'
Humans feel superior but are fragile = buildings made of paper is a metaphor for society being fragile and a change in wind direction could cause it to blow away. 'Turned into your skin' = humans are fragile as our bodies are tissue
'paper thinned by aging or touching'
time is humans downfall = paper can be worn with time like humans. Human skin deteriorates as the years pass and we will all face the same fate.
different structures = lack of rhyme suggests her sense of freedom which mirrors the poets desire to be free
'living tissue, raise a structure never meant to last'
This could be either the buildings or the plans. The phrase ‘never meant to last’ implies the mortality of human form (‘living tissue’). The enjambment after ‘structure’ relates to complexity and careful design, linked with ‘grand design’ and contrasted with the description, ‘never meant to last’.
