Answer:
The speaker fear that no matter what happen, the tomorrow will continue as the passing of time. The future is unknow and the fruit will continue in the future.
Explanation:
According to Coleridge's poem, the site is located in Xanadu, described as a savage place located where the Alph river ran through endless caverns featuring bright gardens and forests ancient as the hills with sunny spots of greenery, all holy and enchanted.