sentences:  Travelling incognito and with great trepidations through Taiping held territory, the brothers crossed the Yangtze River and eventually located their mother and siblings to the north in the town of Baoying near the city of Yangzhou.In this same year of 1860, the British and French Army invaded Beijing and burned down the Summer Palace.The Emperor escaped from the capital but the Qing government was forced to sign another unequal treaty to appease the Western powers.