题目内容：

    The beautiful canola (油菜) flowers in spring attracted a large number of visitors to Hanzhong, a city in the south of western Shaanxi province. The city’s 9th annual canola flower festival 1. (start) on March 13 and ended on May 1, 2018. There were more than 600 square kilometers of canola fields in Hanzhong, 2. created unique scenery. About 50 observation spots 3. (design) for the tourists throughout the city.