Question: where in pamplona is the running of the bulls
Answer: It goes through four streets of the old part of the city ( Santo Domingo , Ayuntamiento , Mercaderes and Estafeta ) via the Town Hall Square and the short section `` Telefónica '' ( named for the location of the old telephone office at end of Calle Estafeta ) just before entering into the bullring through its callejón ( tunnel ) .