A world of knowledge was nearly lost forever amid the al-Qaida occupation in Timbuktu five years ago. Many were burnt, but thousands of ancient manuscripts were smuggled away and saved, and now are being digitized. And yet time and money to finish the project is running out as other threats loom. Special correspondent Monica Villamizar reports from Mali.

In our news wrap Wednesday, Malta allowed a rescue ship to dock with more than 200 African migrants on board. An EU summit convenes tomorrow to focus on a long-term policy for handling migrants. Also, South Sudan’s warring parties agreed on a cease-fire, after five years of fighting that's created millions of refugees. The agreement takes effect in 72 hours.

Spectacular giant statues evoke history and mystery on Easter Island, a place that has symbolized what humans can achieve and then destroy. Now everywhere you look on the island, home to about 6,000 residents, there are signs of coastal erosion and dangers of climate change. As part of our series Culture at Risk, Jeffrey Brown reports on efforts to document and preserve their heritage.

Nowhere are people more excited and optimistic about Pyongyang opening up than on China's border with North Korea. Betting on denuclearization, investors have started speculating in the real estate market, while local businesses are hoping for a windfall. Special correspondent Katrina Yu reports.

In our news wrap Tuesday, Republican leaders in the House of Representatives called a vote for on an immigration bill on Wednesday, but acknowledged it might fail. Also, new fighting in southern Syria has driven up to 50,000 people from their homes, according to United Nations officials.

For many of the immigrant families now separated in the U.S. by Trump administration policy, their stories began with terror and persecution in their home countries. In Mexico City, Nick Schifrin meets two Central American families making the arduous journey north.

In our news wrap Monday, mourners lined up outside a school to mourn Antwon Rose, a black teenager shot to death by a white policeman near Pittsburgh. Also, a state of emergency has been declared across Northern California as a wind-drive wildfire burns out of control.

Turkish President Recep Tayyip Erdogan is armed with sweeping new powers after Sunday’s elections, which cemented his status as preeminent leader, possibly for years to come. William Brangham reports.

More than 180 people have died in violent clashes between citizens and pro-government forces over the last two months in Nicaragua. People are demanding the resignation of President Daniel Ortega, who has dominated Nicaraguan politics for nearly 40 years, and Vice President Rosario Murillo, his wife. Elisabeth Malkin of The New York Times joins Hari Sreenivasan for more.

Even though Turkey’s President Tayyip Erdogan has acquired a fervent voter base since he became prime minister in 2003 and then president in 2014, opponents ahead of the election on Sunday are proving that his victory is no longer a sure thing. Soner Cagaptay, author of “The New Sultan: Erdogan and the Crisis of Modern Turkey,” talks to Hari Sreenivasan about growing resistance to the regime.