A shop assistant reaches for a ring, designed by Wendy Yue, at Plukka Store in Hong Kong, China
A shop assistant reaches for a ring, designed by Wendy Yue, at Plukka Store in Hong Kong, China November 30, 2015. Online luxury jeweller Plukka is going door-to-door to beat the worst retail downturn in more than a decade in Hong Kong, where some of the world's most expensive commercial rents and plunging sales are corroding earnings of much larger rivals. REUTERS/Tyrone Siu