March 26 Photo Brief: A sleeping lion, Odin the Walrus, Holi celebration, Criolla Week in Montevideo, a treacherous walk to school

Male walrus Odin is pictured in the Polar Sea enclosure at the Hagenbeck Zoo in Hamburg, Germany. After long preparations four walruses have been brought from the zoo in Moscow to Hamburg. (Christian Charisius/Getty Images)

A lion lies in the sun in its enclosure at the Tierpark zoo Hagenbeck in Hamburg, Germany. (Christian Charisius/Getty Images)

Xu Liangfan, 37, escorts students on a cliff path as they make their way to Banpo Primary School in Shengji county, Bijie city in Guizhou province. Xu, who started working at the school last year, is the headmaster of the school and teaches mathematics and gym class. Located halfway up a mountain, the school has 68 students of which about 20 live in the nearby Gengguan village. Students from Gengguan have to edge their way along the narrow cliff path to go to class everyday, alongside Xu who would escort them. The path, which was carved from cliffs over 40 years ago, is the only route between Gengguan village and the school, according to local media. (Reuters)

Indian children dressed as Lord Krishna (L) and Radha play with colored powder during a Holi celebration at a temple in Amritsar. Holi, also called the Festival of Colors, is a popular Hindu spring festival observed in India at the end of the winter season on the last full moon day of the lunar month and falls on March 27 this year. (Narinder Nanu/Getty Images)

Hindu devotees stand amid a cloud of red colored powder during Holi celebrations at the Bankey Bihari temple in Vrindavan in the northern Indian state of Uttar Pradesh. Holi, also known as the Festival of Colors, heralds the beginning of spring and is celebrated all over India. (Vivek Prakash/Reuters)

A gaucho rides an unbroken horse during the annual celebration of Criolla Week in Montevideo. Throughout Easter Week “gauchos”, the Latin American equivalent of the North American “cowboy”, from all over Uruguay and neighboring Argentina and Brazil visit Montevideo to participate in Criolla Week to win the award of best rider. The competition is held March 24 – March 30. (Andres Stapff/Reuters)

South Korean honor guards hold banners with pictures of the sailors who died in the sinking of a South Korean naval vessel by what Seoul insists was a North Korean submarine, during an event marking the third anniversary of the incident, at the national cemetery in Daejeon. 46 sailors died when the Cheonan corvette sunk. (Kim Jae-Hwan/Pool)

The Soyuz TMA-08M spacecraft is lifted to its launch pad at the Baikonur cosmodrome. The Soyuz will carry U.S. astronaut Chris Cassidy along with Russian cosmonauts Pavel Vinogradov and Alexander Misurkin to the International Space Station on March 29. (Shamil Zhumatov/Reuters)

Students take part in an anti-Troika protest outside the Presidential palace in Nicosia. Cyprus reached a last-ditch deal with international lenders on a 10 billion euro rescue plan to avoid economic meltdown, agreeing to close down its second-largest bank and inflict heavy losses on big depositors. (Yannis Behrakis/Reuters)

Artist Matt Hope, wearing a helmet, pushes his air filtration bike out from his studio on a hazy day in Beijing. Using an IKEA perforated garbage can, moped helmet, fighter-pilot breathing mask, wheel-powered generator and home air filtration system, Beijing-based artist Matt Hope built a “breathing bicycle” as a way of protecting himself from air pollution. While pedaling, electricity is generated for the power to activate the system to filter out haze and provide the rider with clean air, local media reported. According to the U.S. embassy monitor, the air quality today is classified as “very unhealthy”. (Petar Kujundzic/Reuters)

A young Afghan woman holds a child as they wait for a taxi on a street in Kandahar. Afghanistan is having trouble keeping hard-earned development gains due to looming security challenges when NATO military forces withdraw in 2014, an internal World Bank audit said. (Jangir/Getty Images)

Ayu, a 22 year old handicapped Indonesian applies wax with her foot to create a batik design with a canting or wax pen on a cotton fabric during a demonstration in Jakarta. Ayu born with a congenital handicap overcame her disability when she studied in regular public school and at the age of 17 learnt the art of batik making. Ayu finishes wax patterns on a cloth in about one week. Ayu and her family lives in Solo city, a key batik fabric producing area in central Java island. (Romeo Gacad/Getty Images)

An Afghan policeman takes position at the site of a suicide attack in Jalalabad. A group of seven suicide bombers attacked a police base in the eastern Afghan city of Jalalabad, killing five officers, police said. One bomber set off a large explosion at the entrance of the quick reaction police headquarters before two bombers blew themselves up inside the facility and four others died in a gun fight with police. (Noorullah Shirzada/Getty Images)

A suspected al Qaeda militant holds his head as he stands with co-defendants behind bars at the state security court of appeals in Sanaa. The court on Tuesday upheld jail sentences ranging from four to 10 years against 10 defendants convicted of having links to al Qaeda, the state Saba news agency reported. (Khaled Abdullah/Reuters)

Microsoft’s Bill Gates, one of the world’s richest men and highest profile aid donors, gives to a child a Rotaurus vaccine against diarrhea at the Ahentia Health Centre, in Awutu Senya district, in the Central Region of Ghana. Gates is in Ghana to meet with government and health officials on ways to combat global health problems. The Bill Gates Foundation donates at least five percent of its assets each year to fight Polio Myelitis, HIV/AIDS, Tuberculosis, Malaria and other infectious diseases across the globe. (Pius Utomi Ekpei/Getty Images)

Anti-Proposition 8 protesters wave a rainbow flag in front of the U.S. Supreme Court in Washington. Two members of the U.S. Supreme Court, both viewed as potential swing votes on the right of gay couples to marry, raised doubts about California’s gay marriage ban on Tuesday as they questioned a lawyer defending the ban. (Jonathan Ernst/Reuters)

A young red-necked wallaby looks out of the pouch of its mother at the zoo in Stralsund, Germany. More than 900 animals and 120 species are featured at the zoo in Stralsund. (Stefan Sauer/Getty Images)