The Observer's 20 photographs of the week

A Palestinian boy tends to his horse at the central market in Gaza City. Food prices have started to rise due to lack of fresh supplies due to ongoing unrest with Israel Photograph: Marco Longari/AFP

A Mayan shaman performs a ritual at the Quirigua archaeological site, Izabal department, 210km north of Guatemala City Photograph: Johan Ordonez/AFP/Getty Images

A Palestinian man kisses the hand of a dead relative in the morgue of Shifa Hospital in Gaza City Photograph: Bernat Armangue/AP

Sapir Hakmon retrieves one of her shoes from her damaged home after it was hit by a rocket launched by Palestinian militants from the Gaza Strip in the southern Israeli city of Beer Sheva Photograph: Menahem Kahana/AFP/Getty Images

An Indian camel herder stands amongst his herd at the annual Pushkar Fair in Rajasthan, India. The annual camel and livestock fair attracts thousands of livestock dealers who bring thousands of camels, horses, and cattle Photograph: Kevin Frayer/AP

Reuters photographer Joe Penney has been in Guinea-Bissau documenting daily life and has filed a great set. Here a newscaster reads the news during a broadcast on national television in the capital Bissau. Journalists have long been a target of the military in Guinea-Bissau Photograph: Joe Penney/Reuters

People leave the colonial-era dock on the island of Bolama Photograph: Joe Penney/Reuters

A man sleeps on the floor of a bar in a colonial-era building on the island of Bolama, Guinea-Bissau. Established in 1890, Bolama was the first Portuguese colonial capital of Guinea-Bissau. In 1941 the Portuguese moved to the present capital, Bissau Photograph: Joe Penney/Reuters

US President Barack Obama and Myanmar pro-democracy leader Aung San Suu Kyi kiss after speaking to the media in Yangon Photograph: Nicolas Asfouri/AFP

Members of the Movement of Landless Rural Worker, who are protesting for change in the process of land reform, hold a flag up by burning tires on a highway in Brasilia Photograph: Ueslei Marcelino/Reuters

This fantastic image was not shot this week but it has just come to light. Photographer Brutus Ostling captured this shot while on a boat off the coast of Norway where he holds workshops for amateur photographers. He lures the birds in with bread and fish and in this case held the bread in his hand. Brutus' website is well worth a visit Photograph: Brutus Ostling/Caters News Agency

Photojournalists working in the Democratic Republic of the Congo have been producing some outstanding work this week.
Displaced Congolese take shelter in a church in the town of Mugunga, 8km east of Goma. Fresh fighting between M23 rebels and government troops in Sake caused tens of thousands to flee the area, taking refuge in Mugunga Photograph: Phil Moore/AFP/Getty Images

Congolese people carrying their children and belongings flee from Sake on a road linking Goma and Bukavu to escape a rebel advance in eastern DR Congo Photograph: Tony Karumba/AFP/Getty Images

A group of displaced Congolese gather around fish being smoked in Mugunga in the east of the Democratic Republic of the Congo Photograph: Phil Moore/AFP/Getty Images

One of the Observer's favourite photographers, Jacques Henri Lartigue has a new exhibition entitled 'Lartigue l'emerveille' opening at the Chateau de Tours in France. A good reason to include 'Avenue Du Bois 1911' here. Photograph: Jacques Henri Lartigue/Ministere de la Culture-France

A group of men sitting on a roadside next to a slum are reflected on a rickshaw mirror while Afghan refugee girls play, on the outskirts of Islamabad, Pakistan Photograph: Muhammed Muheisen/AP

Four Air Force Black Hawk helicopters, one with Vice President Joe Biden onboard, approaches Seaside Park. The Vice President is in New Jersey to tour the damage and thank first responders from Superstorm Sandy Photograph: Rich Schultz/AP

Hindu devotees perform rituals at sunset in the holy Yamuna River during the Chhath Puja festival in New Delhi, India. Chhath prayers, an ancient Hindu festival popular amongst the working class, is performed to thank the Sun God for sustaining life on earth Photograph: Kevin Frayer/AP

A home damaged by Hurricane Sandy in the Staten Island borough of New York Photograph: Eric Thayer/Reuters

A competitor makes his way through Electroshock Therapy, a series of fine wires which give you an electric shock, during the Tough Mudder event at the Cholmondeley Estate in Cholmondeley, Cheshire, England Photograph: Dave Thompson/PA