and they 'd talked ; or rather tarquin had asked the questions , and teitu had talked , about tarchna , the city tarquin had heard so much about but never seen - about the temple on its hill , about the walls , the harbour town of gravisca , the potteries , the palaces , the laukum and the twelve great families of zilaths , the gardens and the december horse races and duck-hunting in the marshes , and the never ceasing music of the jewellers ' planishing hammers in the dark streets of the inner city .