In Xanadu did Kubla Khan
A stately pleasure-dome decree:
Where Alph, the sacred river, ran
Through caverns measureless to man
Down to a sunless sea.
Coleridge claimed that the poem was inspired by an opium-induced dream (implicit in the poem's subtitle A Vision in a Dream) but that the composition was interrupted by a person from Porlock
The most fruitful period of their association came two years later, when they lived within walking distance of each other in western Somerset,
