NK Pro investigation: China and North Korea have established 32 makeshift river crossings to move vehicles and sensitive machinery to the DPRK under a smuggling scheme meant to hide transactions from scrutiny. Our satellite analysis tracked 18 months of construction across a 59-mile border stretch, building on Asiapress reporting to identify eight additional crossings. The operation uses excavators to create dirt bridges across the Yalu River that wash away and require constant rebuilding—an app