"Miss Cubbidge and the Dragon of Romance" by Lord Dunsany

This tale is told in the balconies of Belgrave Square and among the towers of Pont Street; men sing it at evening in the Brompton Road.

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Hammersmith is a district of West London, England, 4.3 miles (6.9 km) southwest of Charing Cross.

Roncesvalles: famous for the death of Roland in 778, during the Battle of Roncevaux Pass, when Charlemagne's rearguard was destroyed by Basque tribes.

To follow along: https://www.gutenberg.org/files/7477/7477-h/7477-h.htm#MISS_CUBBIDGE_AND_THE_DRAGON_OF_ROMANCE