What is the fine-grained topic of the following text: Debney himself taught English there in the same period, and his evocation of the Greek-owned cafés, with their whores, pimps and con men (and the mesmerising exhibitionist of the title story), is done with the verve and vividness of Lawrence Durrell, though with a good deal more affectionate sympathy. Only return the topic.
Debney's portrayal of Greek-owned cafés in his English teaching period.