This week we have scenes of India's preparation for Republic Day, a new image of Comet 67P/Churyumov-Gerasimenko from ESA's Rosetta spacecraft, continued unrest in eastern Ukraine, a Chinese home-made mechanical horse, a yarmulke made of hair samples (to disguise it), K-Pop hopefuls in Seoul, a volcano that has been creating a new island near Tonga, and much more. [ 35 photos total ]

In early April of 1972, NASA was preparing to launch the Apollo program's 10th manned mission—the fifth to actually land on the Moon, Apollo 16. This mission would be the penultimate trip in the Apollo program, carrying astronauts John Young, Charles Duke, and Ken Mattingly to the Moon, with Young and Duke headed to the lunar surface while Mattingly remained in orbit. Apollo 16 was the second expedition to bring a Lunar Roving Vehicle (LRV) along. The astronauts spent more than 20 hours exploring the surface of the Moon, driving 16.6 miles in their LRV, gathering 210 pounds of samples, and setting up a package of instruments and experiments. On April 27, 1972, the crew splashed down safely in the Pacific Ocean, after 12 days away from Earth. [ 35 photos total ]

Living amid the ruins of Syria's largest city. [ 30 photos total ]

Revisiting the Nazi concentration camp on the 70th anniversary of its liberation. [ 19 photos total ]

Portraits of now elderly survivors of the Nazi concentration camp, as the liberation of Auschwitz approaches its 70th anniversary this month. [ 30 photos total ]

Lindsey Vonn becomes the most successful female in Alpine skiing World Cup history. [ 30 photos total ]

A change in perspective can make everything look a little different. Patterns emerge, shapes coalesce, and chaos simplifies. [ 32 photos total ]

Every January, on Saint Sebastian Day, the streets of Piornal, Spain, fill with residents armed with turnips, seeking to punish the Jarramplas. The Jarramplas is a devil-like character portrayed by a man wearing a costume made from colorful strips of fabric, a frightening mask, and body armor underneath. In a centuries-old tradition, he walks the streets and beats a drum while residents throw turnips at him as a punishment for stealing cattle. The exact origin of the festival are not known, various theories exist from the mythological punishment of Caco by Hercules, to a cattle thief ridiculed and expelled by his neighbors. [ 12 photos total ]

Today, in the United States, we observe Martin Luther King Day, a federal holiday established in 1986 to honor the slain civil rights leader and his accomplishments. In the 1950s and 60s, King grew into a powerful speaker and promoter of nonviolent resistance to unjust laws, inspiring thousands to protest the injustices of segregation and fight these laws in the courts. Arrested many times, his life under constant threat, King and his supporters started to see some progress with the passing of the civil rights bill in 1964, and global recognition for his efforts when he was awarded the Nobel Peace Prize that same year. In April of 1968, Dr. King was shot and killed by James Earl Ray at a motel in Memphis, Tennessee, setting off riots across the nation. Today, nearly 47 years later, a look back at the Reverend Martin Luther King's public life in photos. [ 37 photos total ]

The streets of Havana are still filled with cars that predate the 1959 communist revolution. [ 21 photos total ]

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