As Cortés approached the great city of Tenochtitlan, the natives put on many events. Nobles lined each side along the buildings of the city's main causeway, which extended about a league. Walking down the center came Moctezuma II, who had two lords at his side, one being his brother, the ruler of Iztapalapa. Cortés dismounted, and was greeted by the ruler and his lords, but was forbidden to touch him. Cortés gave him a necklace of crystals, placing it over his neck.[19]