Photos of the Day: Theresa May and Angela Merkel

London, England

Cirque du Soleil rehearse at the Royal Albert Hall
Photograph: Terry Scott/Barcroft Images

Las Vegas, Nevada

A person looks at book-reading robots called Luka at CES International, the annual trade show organised by the Consumer Technology Association
Photograph: Jae C Hong/AP

Henan, China

Plants in Huangbaishan national forest park are covered in ice after cold weather
Photograph: Xinhua/Barcroft Images

Kolkata, India

A sadhu performs for money from pilgrims before heading to Sagar island for the festival of Makar Sankranti
Photograph: Rupak de Chowdhuri/Reuters