The Yi have retained their language and traditions in a rapidly modernising country, but are among the poorest people in China.
At least 53 people have lost their lives after parts of southeast Asia were inundated by flooding.
The week's best photos, from Usain Bolt and Neymar to elections in Kenya and Rwanda and Prince Philip's final engagement.
Thai artists carve intricate floral and animal designs into a range of fruits and vegetables including watermelon, papaya and pumpkins.
There are plans to rebuild Aleppo's great medieval mosques, souks, bath houses and citadel "with the same stones where we can".
British Airways, Ryanair and easyJet urge passengers to get to airports well in advance not to miss their flights.
So many Haitian asylum seekers have arrived Quebec that Montreal has opened up its cavernous Olympic Stadium to house and process them.
A heatwave is currently extending across the continent, with temperatures exceeding 40 degrees in some areas.
Mount Sinabung erupts again, spewing out a towering column of volcanic ash more than four kilometres (2.6 miles) high.
A photograph of a lightning bolt striking within the ash cloud of an erupting volcano has won the 2017 National Geographic Travel Photographer of the Year contest.
London City Airport security staff remove an average of four jars a day of the love-it-or-hate-it savoury spread.
A selection of photographs, covering topics from champion swimmers and fires in Europe to animals cooling off and Santa Claus on holiday.
Grayling says Britain will be ready to implement new agreements with the US after it leaves the block.
The judges of the 2017 EyeEm Photography Awards have chosen 100 finalists from more than 590,000 entries.
IAG and industry bodies have warned expansion could result in sharp increase in landing charges.
Hidden away within the walls of Tower of London is a private drinking hole for the 37 Beefeaters who live with their families in the fortified complex.
Fires have ravaged tinder-dry vegetation in France, Portugal, Italy, Spain, Croatia and Montenegro and across southern Europe.
Some of the most spectacular pictures entered into the 2017 Insight Astronomy Photographer of the Year competition.
More than ten villages in central Portugal have been evacuated as forest fires rage in the provinces of Castelo Branco and Santarem.
Four firefighters have been injured as wildfires rage along the French Riviera and on the Mediterranean island of Corsica.