As part of the exercise, inspired by Dylan Thomas' birth anniversary, writers from two different continents would savour the culture, heritage and delicacies of the respective home cities, a British Council spokesperson said here.
"You may call it a visiting artiste having been introduced to an enchanting foreign local through the eyes of his/her local host," the spokesperson told PTI here recently.
Wales-born Joe Dunthorne, whose novel 'Submarine' had been made into a film in 2010 by Richard Ayoade and shown in London, Berlin, and Swansea, said one common passion shared by the two regions of Wales and Kolkata was football.
The writers were 'amazed' by the exuberance of the KolKata Book Fair crowd during a visit last week.
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"All these exercise are meant to inspire new work from both the Welsh and Indian writers and maybe translations of each other's work to showcase Welsh culture in India and to bring Indian writers to a Welsh audience," editor, writer, translator and critic Anjum Katyal said.
They will also read at Alchemy festival at the South Bank.
Johnathan Edwards, poet-author Jeet Thayil and author Tishani Doshi are the other members of the 'City Walkers.