Bottles of Penfolds wine owned by Australia's Treasury Wine Estates are on sale at a wine shop in central Sydney August 4, 2014. REUTERS/David Gray

Bottles of Penfolds wine owned by Australia’s Treasury Wine Estates are on sale at a wine shop in central Sydney August 4, 2014. REUTERS/David Gray

Bottles of Penfolds wine owned by Australia's Treasury Wine Estates are on sale at a wine shop in central Sydney August 4, 2014. REUTERS/David Gray

August 19, 2016 1:22 AM (UTC+8)