The Observer's 20 photographs of the week

Photographer Kevin Frayer, a regular contributor to this gallery, was in Savara to cover the aftermath of the collapsed building. Here, a survivor is lifted out of the rubble by rescuers Photograph: Kevin Frayer/AP

And here, Bangladeshi soldiers stand in the rubble as rescuers continue to search for injured and missing Photograph: Kevin Frayer/AP

In this third image from Kevin Frayer, relatives of Mohammed Abdullah, who died in the building collapse, cry as they gather round his coffin after collecting his body from a temporary morgue Photograph: Kevin Frayer/AP

An eastern screech owl is camouflaged in the hollow of a tree in Georgia, US Photograph: Graham McGeorge/Barcroft Media

Mohammed Al-Shaikh continued his excellent work photographing the unrest in Bahrain. Here women hold stones during clashes with riot police following a protest against the Formula One Grand Prix Photograph: Mohammed Al-Shaikh/AFP

Apartment towers and the International Commerce Centre are seen through a work of art entitled 'Poetic Cosmos of the Breath' by Argentine artist Tomás Saraceno in Hong Kong Photograph: Vincent Yu/AP

David Guttenfelder remained in North Korea photographing daily life. In this picture, North Korean soldiers and civilians pose in front of a fountain as they tour the grounds of the Kumsusan Palace of the Sun, the mausoleum where the bodies of the late leaders Kim Il Sung and Kim Jong Il lie embalmed Photograph: David Guttenfelder/AP

And here, a North Korean man checks his bicycle next to a painted exclamation point on a propaganda billboard in Kaesong Photograph: David Guttenfelder/AP

A worker grooms away tracks after an alligator crossed through a sand trap on the 14th hole during the first round of the PGA Tour Zurich Classic golf tournament in Avondale, Louisiana Photograph: Gerald Herbert/AP

In the other major disaster this week, the earthquake in China, villagers carry a coffin of a victim in Lushan, Sichuan Province Photograph: Mark Ralston/AFP

A newborn baby born in a relief tent is attended to by medical staff after the earthquake in Lushan county Photograph: Jianan Yu/Reuters

Fans enjoy the Justin Bieber concert in Stockholm, Sweden
Photograph: IBL/Rex

Lava flow from the Kilauea volcano enters the sea south of Kalapana in Big Island, Hawaii. Photographer Miles Morgan was just one metre away from the source of the eruptions Photograph: Miles Morgan/Barcroft Media

A Pakistani girl, who was displaced with her family by the floods in 2010, sits amongst the rubble of her makeshift home after it was destroyed by the Capital Development Authority for being built on illegal lands Photograph: Muhammed Muheisen/AP

Jailed Pussy Riot member Nadezhda Tolokonnikova looks on as a petition for her early release from custody is heard at a court in the Mordovian town of Zubova Polyana Photograph: Krasilnikov Stanislav/Corbis

US Army 1st Lt Melissa Stockwell, who was the first female American soldier to lose a limb in the war in Iraq, recites the Pledge of Allegiance. Former US first lady Barbara Bush, former President George H W Bush, former President George W Bush and former first lady Laura Bush look on during the opening ceremony of the George W Bush Presidential Center Photograph: Alex Wong/Getty

Hungarian cyclists raise their bikes in Budapest during a protest organised to promote cycling and to raise awareness about the need to improve cycling conditions in the city Photograph: Ferenc Isza/AFP

Student protesters in Santiago are detained during a clash at a rally demanding Chile's government reform of the education system Photograph: Ivan Alvarado/Reuters

The Animal Reproduction Institute of Uruguay released this photograph of a transgenic lamb that has an incorporated gene making it glow under ultraviolet light Photograph: Reuters

Police vehicles are seen reflected in a large electronic US flag while patrolling the streets of Times Square in New York Photograph: Shannon Stapleton/Reuters