The first three Spaniards arrived in the city in May 1533, after the Battle of Cajamarca, collecting for Atahualpa's Ransom Room. On 15 November 1533 Francisco Pizarro officially arrived in Cusco. "The capital of the Incas ... astonished the Spaniards by the beauty of its edifices, the length and regularity of its streets." The great square was surrounded by several palaces, since "each sovereign built a new palace for himself." "The delicacy of the stone work excelled" that of the Spaniards'. The fortress had three parapets and was composed of "heavy masses of rock". "Through the heart of the capital ran a river ... faced with stone. ... The most sumptuous edifice in Cuzco ... was undoubtedly the great temple dedicated to the Sun ... studded with gold plates ... surrounded by convents and dormitories for the priests. ... The palaces were numerous and the troops lost no time in plundering them of their contents, as well as despoiling the religious edifices," including the royal mummies in the Coricancha.