Barrier reef: a coral reef separated from the land by a large lagoon or, in some cases, by several kilometres of open sea.

UNESCO: L O S S A R Y

And some additional, much less happy news from Australia, as Unesco and environmentalists warn that climate change and large-scale coal mining may lead to the wholesale destruction of the Great Barrier Reef.

BBC: In brief: Unearthing Australia's secret history

Yesterday, Austrian-born winemaker Rudi Bauer of the esteemed winery Quartz Reef drove me up into the hills overlooking Lake Dunstan, which cuts a large swath through the middle of the massive eastern section of Central Otago.

FORBES: New Zealand Wine's Need For Nudity