China has a huge appetite for durian and Vietnam wants a bigger bite of the market. But getting the fruit across the border is only part of the challenge. From winning over Chinese consumers to improving quality and speeding up customs, CNA's Otelli Edwards speaks with Shenzhen Correspondent Deborah Wong and Hanoi Correspondent Leong Wai Kit about what Vietnam is up against and why this durian boom tells a much bigger story about relationships and trade at the China-Vietnam border.