We are raiding the Guardian Long Read archives to bring you some classic pieces from years past, with new introductions from the authors. This week, from 2020: When the Colombian army defeated the Farc guerrillas, ending decades of conflict, General Mario Montoya was hailed a national hero. But then it was revealed that thousands of ‘insurgents’ executed by the army were in fact innocent men. By Mariana Palau. Read by Lucy Scott. Help support our independent journalism at theguardian.com/longreadpod

Across the globe, vast swathes of land are being left to be reclaimed by nature. To see what could be coming, look to Bulgaria. By Tess McClure. Read by Sara Lynam. Help support our independent journalism at theguardian.com/longreadpod

As a sociologist, my career couldn’t be further from that of my father, who spent his life on the road as a truck driver. It’s only in recent years, as illness has struck, that I’ve started to truly understand him. By José Henrique Bortoluci. Read by Felipe Pacheco. Help support our independent journalism at theguardian.com/longreadpod

We are raiding the Guardian Long Read archives to bring you some classic pieces from years past, with new introductions from the authors. This week, from 2020: David Blagdon’s long-term detention has been described as ‘barbaric’. Whatever his disastrous personal choices, the system failed him repeatedly. By Mark Olden. Read by Mo Ayoub. Help support our independent journalism at theguardian.com/longreadpod

Li Jianxiong was a highflying marketing executive in Beijing until a breakdown sent him to the west on a wellness voyage of discovery – just as his peers were losing faith in the Chinese Dream. By Chang Che. Read by Vincent Lai. Help support our independent journalism at theguardian.com/longreadpod

Since the 1970s, Humphrey Smith has acquired scores of pubs and historic properties around the UK. But time after time, he has left the buildings empty. Why has he allowed his empire to moulder? By Mark Blacklock. Read by Joe Layton. Help support our independent journalism at theguardian.com/longreadpod

We are raiding the Guardian Long Read archives to bring you some classic pieces from years past, with new introductions from the authors. This week, from 2016: Jeffrey Karp is at the forefront of a new generation of scientists using nature’s blueprints to create breakthrough medical technologies. Can bioinspiration help to solve some of humanity’s most urgent problems? By Laura Parker. Read by Adetomiwa Edun. Help support our independent journalism at theguardian.com/longreadpod

Doctors are pushing the limits of science and human biology to save more extremely premature babies than ever before. But when so few survive, are we putting them through needless suffering? By Sophie McBain. Read by Chloe Pirrie. Help support our independent journalism at theguardian.com/longreadpod

Canonisation has long been a way for the Catholic church to shape its image. The Vatican is preparing to anoint its first millennial saint, but how does it decide who is worthy? By Linda Kinstler. Help support our independent journalism at theguardian.com/longreadpod

We are raiding the Guardian Long Read archives to bring you some classic pieces from years past, with new introductions from the authors. This week, from 2022: Despite the rise of headline-grabbing megafires, fewer fires are burning worldwide now than at any time since antiquity. But this isn’t good news – in banishing fire from sight, we have made its dangers stranger and less predictable. By Daniel Immerwahr. Help support our independent journalism at theguardian.com/longreadpod