The road to Mong Cai is being widened, as is that to another border post in the northwest.

ECONOMIST: Competition breeds contempt

Like many Chinese artists, Cai is pragmatic.

FORBES: Why Cai Guo-Qiang Is Good For China And Bad For Art

Her ex-spouse Cai Kui is now also a billionaire in his own right.

FORBES: Wu Yajun & family

Upstairs, Mr Cai has built a mini rollercoaster in a cavernous gallery, on whose ceiling is painted Mr Cai's history of Belgian art images from the city's famous Ghent altarpiece and iconic works by Magritte and Broodthaers.

ECONOMIST: Firework chaos theory from a latterday Prospero

Mr Cai's intention is to connect people with the cosmos.

ECONOMIST: Firework chaos theory from a latterday Prospero

Cai's preferred medium is fireworks.

WSJ: Taking It to the Street | The Shift

Injuries to Kristian Phillips, Gareth Owen and Cai Griffiths will be monitored, Ben Lewis is out until November, but Richard Hibbard could play a part after featuring in Aberavon's loss at Llanelli last weekend.

BBC: Ospreys v Ulster (Sat)

Cai Fang, the widely followed Chinese demographer, thinks the workforce actually peaked in 2010, and he is probably correct.

FORBES: Is China Running Out Of Workers?