An empty refrigerator at a convenience store at West Lake, in Hangzhou, China, on August 31 bears a sign that reads 'During G20, beverages and dairy products are not allowed to be purchased and are sold out. Thanks.' Authorities have ordered the media not to report on inconveniences caused by the summit. (Reuters/Aly Song)
An empty refrigerator at a convenience store at West Lake, in Hangzhou, China, on August 31 bears a sign that reads 'During G20, beverages and dairy products are not allowed to be purchased and are sold out. Thanks.' Authorities have ordered the media not to report on inconveniences caused by the summit. (Reuters/Aly Song)

Criticism and jokes off limits ahead of G20 summit in Hangzhou, China