Also in today’s newsletter: Venezuela’s opposition leader returns from exile and Kim Jong Un visits Chinese border city

Nobel laureate’s arrival poses a challenge to the country’s Trump-backed interim government

Lack of buses and ferries adds to tense contest as rightwing challenger seeks to oust leftist president and bring country closer to Trump

Slowdown in China and cooling global stock markets are exacerbating a downturn for European sector

Chinese start-up XAG believes pilotless crop sprayers are the answer to a dwindling workforce and rising temperatures