Reading/content links include Horizon Kinetics on contingency investing, a documentary exploring the impact of sand mining on the Mekong, Colin Smith on investing in Africa, BBC Travel on the Xiongnu empire, Hosking Partners with a closer look at the Chinese solar industry and a conversation with Reece Duca, the founder of IGSB.

• Horizon Kinetics: Q3 2023 market commentary.
• Yale E360: On the Mekong, sand mining threatens the river and a way of life.
• Capital Markets Africa: Interview with Colin Smith of All Africa Partners.
• BBC Travel: The powerful women of an ancient empire.
• Hosking Partners: Dark side of the Sun.
• A Letter a Day: Conversation with Reece Duca, the founder of IGSB.