How Everything Works on Instagram: "In 2012, the Costa Concordia capsized off the coast of Italy after striking rocks near Giglio Island, leaving the 114,000-ton cruise ship lying on its side in shallow waters. What followed became one of the most ambitious and costly maritime salvage efforts in history. Engineers used a complex technique known as parbuckling to carefully rotate the vessel back to an upright position. Massive steel compartments, or sponsons, were attached to the hull; once the s