About ______ of the 15,000 visitors on the opening day of Hong Kong Disney land came from the mainland.

Hong Kong Disneyland opened on Monday with a total of 15,000 visitors. Visitors from the mainland are counted for one third of the total. Most were from Guangdong. According to a survey, more than 55% of Guangzhou residents showed interest in visiting the theme park. Some 22% of Shanghai residents and 20% of Beijingers also said they planed to visit it. Disneyland is expected to receive at least 1.5 million visitors between September and December.