Richard Castro used part of his proceeds to buy Zimbabwe's defunct currency.
Chinese social media company ByteDance has made a deal with device-maker Smartisan to develop a smartphone.
Some of Africa's biggest names feature on Beyoncé's Lion King-inspired album, but might the US singer also gain new audiences?
Huang Qi - who was the first person put on trial for internet crimes in China - is jailed again.
Liberty brought the challenge against the government's so-called "Snoopers' Charter" in June.
The 95-year-old was best known for his large-scale works in eye-popping colours.
Arielle Free will join Radio 1 in a new slot from September and Mollie King will host Best New Pop.
Reggae artist says politicians and businesses "see no urgency in making an effort" to curb pollution.
A council tenant used a fake identity to rent out his central London flat to tourists on Airbnb.
The singer and actress will discuss her memoirs at the conversational event at the Royal Festival Hall.