Chinese premier Wen Jiabao will make an official visit to Myanmar this month, the first by the communist country's top leader in nearly 10 years.<br /><br />China is the closest and most powerful ally of Myanmar's military leaders. <br /><br />But Chinese policy towards Myanmar is not as homogenous as many might expect. <br /><br />Provinces along the border often take their own decisions over its relations with Myanmar.<br /><br />Al Jazeera's Harry Fawcett reports from the southern province of Yunnan (02 Jun 2010).