 Under the poster he set up tables with European books, astronomical instruments, etc., surrounding an altar with an image of Jesus.When the Qing troops arrived, their commander was sufficiently impressed with the display to approach Martini politely and ask if he wished to switch his loyalty to the new Qing Dynasty.Martini agreed, and had his head shaved in the Manchu way, and his Chinese dress and hat replaced with Qing-style ones.