In this photograph taken on February 15, 2021, doctor Sergen Saracoglu (L) and nurse Yilzdiz Ayten (C) from the Bahcesaray public hospital vaccination team, arrive at the village of Guneyyamac in eastern Turkey, as part of an expedition to vaccinate residents of 65 years old or above with Sinovac's CoronaVac Covid-19 vaccine. (Photo by Bulent Kilic/AFP Photo)

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)

People throw turnips at the Jarramplas as he makes his way through the streets beating his drum during the Jarramplas Festival in Piornal, Spain, Tuesday, January 20, 2015. Jarramplas is a character that wears a costume made from colorful strips of fabric, and a devil-like mask and beats a drum through the streets of Piornal while residents throw turnips as a punishment for stealing cattle. The exact origin of the festival are not known, various theories exist from the mythological punishment of Caco by Hercules, to a cattle thief ridiculed and expelled by his neighbors. The Jarramplas Festival takes place every year from the 19th till the 20th of January on Saint Sebastian Day. (Photo by Daniel Ochoa de Olza/AP Photo)

Female dancers line up before they perform during the opening of Bali Arts Festival in Bali, Indonesia, Sunday, June 18, 2023. The island of Bali is currently holding a month-long annual Bali Arts Festival from June 18 until July 16. (Photo by Firdia Lisnawati/AP Photo)

A blue tit takes umbrage at a wing mirror at Suffolk Wildlife Trust’s Arger Fen & Spouse’s Vale reserve in United Kingdom on April 16, 2021. (Photo by Angela Lord/Triangle News)

A man has snapped a series of images showing a cheeky fox stealing a McDonald's from a bin in a London park early December 2022. (Photo by Ashley James/Caters News Agency)

Choristers from a Norwegian choir on a visit to New York take photographs in Times Square. (Photo by Vecchio/Three Lions/Getty Images). Circa 1956

A man bathes at a roadside in a market area after authorities in the capital ordered a weekend curfew, following the rise in the coronavirus disease (COVID-19) cases, in the old quarters of Delhi, India, January 8, 2022. (Photo by Adnan Abidi/Reuters)