Models at the Sophia Webster presentation during London Fashion Week Spring Summer 2015 on September 14, 2014 in London, England. (Photo by Anthony Harvey/Getty Images)

Models pose at the Sachin + Babi Spring 2012 presentation during Mercedes Benz Fashion Week at Pier 59 on September 7, 2011 in New York City. (Photo by Slaven Vlasic/Getty Images)

A model walks the runway at the Luca Luca Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 9, 2011 in New York City. (Photo by Frazer Harrison/Getty Images for Mercedes-Benz Fashion Week)

Models and designer Lindsay Degen (3rd from L) bare all at the latest DEGEN Spring 2012 presentation during Mercedes Benz Fashion Week at Artisanal House on September 7, 2011 in New York City. (Photo by Earl Gibson III/Getty Images)

A model poses at the Le Silla Spring/Summer 2012 presentation as part Milan Womenswear Fashion Week on September 23, 2011 in Milan, Italy. (Photo by Vincenzo Lombardo/Getty Images for Le Silla)

Pottery heads by artist Johan Thunell are displayed at The Affordable Art Fair on March 15, 2012 in London, England. 120 galleries are displaying works costing from £40 – £4000. Photography, paintings, prints and sculptures are on sale from 15–18th March 2012. (Photo by Peter Macdiarmid/Getty Images)

Some are in it just for the money, others to help buy a meal. Then there are those who trade for fun or to spend time among friends. Millions of investors – pensioners, security guards, high-school students – dominate China's stock markets, conducting about 80 percent of all trades. Retirees gather in brokerage houses dotted around China also to enjoy some company and savour the air conditioning on hot days. Some start as young as 13, trading from home with an eye on future careers in finance. Winning isn't guaranteed. This year, among the most turbulent in China's financial history, its stock markets more than doubled in the six months to May, only to crash amid concerns that growth in the country, which makes everything from cars to steel, is slowing faster than previously thought. (Photo by Aly Song/Reuters)

Jeremy Davis (L) demonstrates the operation of the safe room shelter door lock to homeowner Rob Hamlin on June 18, 2011 in Neosho, Missouri. Once thought of as a luxury item there has been a surge of interest from homeowners in purchasing shelters to ride out damaging storms ever since a F5 tornado tore through the town of Joplin, Missouri. Ranging in price from $3,000 to $5,000 homeowners can supplement the cost with a mortgage insurance program offered by the U.S. Department of Housing and Urban Development for installing a safe room built to FEMA specifications. Lawmakers in Alabama have even considered requiring construction of storm shelters in mobile home parks after forty people died in April. (Photo by Julie Denesha/Getty Images)