The Observer's 20 photographs of the week

An Indian Muslim woman holds her child as she waits on a bench at a food stall in New Delhi, India. Photograph: Kevin Frayer/AP

A collection of 300 redheads as part of the 'I collect gingers' exhibition by Anthea Pokroy in Johannesburg, South Africa. Photograph: Anthea Pokroy/Barcroft Media

A man prays as he touches a crucifix at La Candelaria church in Caracas, Venezuela. Latin Americans reacted with joy on Wednesday at news that Argentine Cardinal Jorge Bergoglio has become the first pope ever from the Americas and the first from outside Europe in more than a millennium. Photograph: Rodrigo Abd/AP

Napo the mandrill yawns in his enclosure at the zoo in Dresden, Germany. Photograph: Matthias Hiekel/AFP/Getty Images

Azra looks at her dead pet bird in a cage at her home, which was burnt by a mob in Badami Bagh, Lahore. Photograph: Mohsin Raza/Reuters

An abandoned caravan is buffeted by winds and drifting snow on the South Downs near Brighton, England. Photograph: Luke Macgregor/Reuters

Ian Abbot from Halifax looks through his badge-festooned binoculars during St Patrick's Thursday at the 2013 Cheltenham Festival at Cheltenham Racecourse, Gloucestershire, England. Photograph: Tim Ireland/PA

Handler Gavin Robertson runs with Jilly the basset griffon vendeen after winning best in show on the final day of the Crufts Dog Show in Birmingham, England. Photograph: Darren Staples/Reuters

A baby in a swimming pool in Kiev, Ukraine. Photograph: Sergey Dolzhenko/EPA

Fiddler's Ferry power station in Cheshire, England, viewed from Glossop, more than 30 miles away. Photograph: Christopher Thomond/Guardian

A member from the cirque style troupe Le Noir performs at the Marina Bay Sands in Singapore. Photograph: Wong Maye-E/AP

A model backstage before the Asli Guler show during Mercedes Benz Fashion Week Istanbul Fall/Winter 2013/14 at Antrepo 3 in Istanbul, Turkey. Photograph: Andreas Rentz/Getty Images

A man kicks up fire during the Perang Api ritual before Nyepi day in Gianyar on the Indonesian island of Bali. Photograph: Reuters

Cross-country skiers start the Engadin Ski Marathon on the frozen Lake Sils at the village of Maloja near the Swiss resort of St. Moritz. Photograph: Michael Buholzer/Reuters

Nuns pray inside St Peter's basilica at the Vatican before the election of Pope Francis. Photograph: Johannes Eisele/AFP/Getty Images

Harry Styles from One Direction is measured for his wax figure at Madame Tussauds in London. Photograph: Madame Tussauds/PA

Chris Huhne comes into contact with a photographer's lens as he arrives at Southwark Crown Court in London for sentencing. Photograph: Justin Tallis/AFP/Getty Images

One World Trade Center emerges from the clouds in the night sky in a photo from a plane passing over New York. Photograph: Matthew Ziegler/AP

Tons of dead fish float on the Rodrigo de Freitas lagoon, near Rio de Janeiro, Brazil. The lake, which is due to host the rowing at the 2016 Olympics, had become deoxygenated after storms washed organic matter into it. Photograph: Christophe Simon/AFP/Getty Images

A woman takes baskets to sell in a market in Sarlingyi township, Burma Photograph: Soe Zeya Tun/Reuters