The Observer's 20 photographs of the week

Rescuers pull out a female survivor, Reshma, 16 days after the Rana Plaza building collapsed in Savar, Bangladesh Photograph: EPA

The spire for the top of One World Trade Center is hoisted into place in New York, bringing the iconic structure to its full, symbolic height of 1,776ft, in commemoration of the year of American independence Photograph: Gary He/EPA

Singer Beyoncé arrives at the Metropolitan Museum of Art Costume Institute Benefit to celebrate the opening of the exhibition Punk: Chaos to Couture in New York Photograph: Lucas Jackson/Reuters

Turkish gypsies celebrate the annual Spring Festival 'Hidirellez', in Edirne, Turkey. Gypsies celebrate the beginning of the spring season according to their calendar. Hidirellez is celebrated as the day on which Prophets Hizir and Ilyas met on earth Photograph: Gurcan Ozturk/AFP

An ostrich catches a ring with its neck during a show with ostriches and hawks, which was held to mark International Day of Migratory Birds at the Parque de las Leyendas zoo in Lima, Peru Photograph: Mariana Bazo/Reuters

From a series of excellent images by Menahem Kahana, an Israeli soldier prays inside a net tent pitched close to Merkava tanks deployed in the Israeli annexed Golan Heights near the border with Syria. UN chief Ban Ki-moon has appealed for restraint after Israeli air strikes on targets near Damascus Photograph: Menahem Kahana/AFP

And here, from the same set by Menahem Kahana, an Israeli Merkava tank is positioned for deployment during a drill in the Golan Heights Photograph: Menahem Kahana/AFP

A member of the Samburu tribe dances in the Samburu game reserve in Kenya. UN Environment Program goodwill ambassador and Chinese actress Li Bingbing was on an official visit there to highlight Africa's poaching crisis Photograph: Carl De Souza/AFP

A kingfisher flies out of the river Salwarpe near Droitwich Spa Photograph: Sylwia Domaradzka/Barcroft Media

Jeff J Mitchell photographed the 30-storey tower block at Birnie Court being demolished in Glasgow, Scotland. This was the second of eight Red Road tower blocks to be demolished, the remaining six high rises built in the 1960s are to be knocked down by 2017 Photograph: Jeff J Mitchell/Getty

In another photograph by Jeff J Mitchell, Karma, a 14-month-old thoroughbred is taken to recovery following an operation for inferior and superior check ligament desmotomy at the Weipers Equine Hospital theatre in the School of Veterinary Medicine at the University of Glasgow Photograph: Jeff J Mitchell/Getty

A man sits on the window of a burning building in Lahore, Pakistan. The fire began on the seventh floor of the LDA plaza and quickly spread to higher floors leaving many people trapped inside the building Photograph: Damir Sagolj/Reuters

At the same scene in Lahore, a helicopter rescues people from the roof of the burning building. At least three people fell from the high floors trying to avoid fire that engulfed the building Photograph: Damir Sagolj/Reuters

Former resident and tourist guide Norma Berg walks down a street in the Argentinian village of Epecuen, which was once submerged in water. People come to see the rusted hulks of automobiles and furniture, crumbled homes and broken appliances Photograph: Natacha Pisarenko/AP

Lava spurts from the Tungurahua volcano in Pelileo, Ecuador Photograph: Jose Jacome/EPA

Queen Elizabeth II is seated next to the Duke of Edinburgh before delivering her speech during the State Opening of Parliament at the House of Lords in London Photograph: Ben Stansall/PA

The sculpture Rebirth 2013 is constructed at the Creative Culture Park in Wuhan, China Photograph: STR/AFP

Ariel Castro, Pedro Castro and Onil Castro appear in court in Cleveland, Ohio. Ariel Castro was formally charged with kidnapping the three women who were rescued from his house on Monday Photograph: John Gress/Reuters

Lucha libre wrestler Cassandro leaps into the audience at the Mayan Theatre in Los Angeles Photograph: Mario Anzuoni/Reuters

A member of Hamas security forces stands guard during a rally welcoming Egyptian Cleric Sheikh Yusuf al-Qaradawi in Gaza City Photograph: Wissam Nassar/Corbis