A massive canal, stretching 64.4 kilometers through the white limestone of Dobrudja, was carved between the Danube River city of Cernavodă and the Black Sea port of Constanța. The excavation involved moving an enormous amount of earth and rock—approximately 380 million cubic meters, more than the 260 million cubic meters moved during the construction of the Suez Canal in the 19th century. This figure highlights the immense scale of the project, which required more than double the amount of earth moved for the Suez Canal. The Danube-Black Sea Canal was conceived in 1949 during the Stalinist era, when communist regimes across Eastern Europe launched large-scale infrastructure projects modeled after the Soviet White Sea-Baltic Canal. The chosen route was politically significant, as it bypassed the Ukrainian delta and avoided the Soviet border. To complete the work, the Romanian communist regime mobilized tens of thousands of prisoners, including political detainees and common criminals, who were forced to dig the canal manually with shovels and wheelbarrows. The harsh working conditions, lack of sanitation, and absence of machinery turned the construction sites into places of extreme hardship and suffering. One of the most notorious sites was the Poarta Albă detention camp, which held about 12,000 prisoners during the 1950s. According to research by the Institute for Investigating Communist Crimes, around 12.7 percent of all political prisoners in communist Romania passed through this camp, making it one of the most frequented transit points for forced labor. Thousands of prisoners died there, though no official death toll has ever been recorded. The canal construction was abruptly halted in July 1953, following the death of Joseph Stalin, which led to a temporary easing of political repression across the Soviet bloc. Construction resumed in 1975 under the leadership of Nicolae Ceaușescu, who envisioned the canal as a key link to Northern Europe. This time, the work was mechanized, using bulldozers and engineering teams rather than prisoners. The main section of the canal was inaugurated in 1984, with a total length of 95.6 kilometers, including four locks. A northern branch, connecting Poarta Albă to Midia Năvodari, was completed in 1987. Despite its grand ambitions, the canal’s actual usage has not reached the projected levels, even as the Danube has gained strategic importance for grain exports following the war in Ukraine. The port of Constanța, located at the canal’s southern end, handled nearly 93 million tons of cargo in 2023. However, most of this traffic bypasses the canal and instead uses the natural Danube delta and sea routes. Despite this, Romania continues to explore ambitious river projects, such as a proposed Danube-Bucharest canal, which would connect the capital to the river network with a capacity of 24 million tons per year. These projects reflect a persistent vision for large-scale waterway development, even as the existing canal struggles to attract the traffic it was designed for.