Wealth on Instagram: "Ryanair’s hidden design tweak saves millions every single year. ✈️ Unlike most airlines, Ryanair’s Boeing 737s come with built-in airstairs, a structural modification that lets passengers board without needing airport stairs or jet bridges. Each aircraft integrates the stairs directly into the forward door, supported by reinforced hinges and a compact hydraulic system. The setup adds a bit of extra weight, but the trade-off is game-changing. By eliminating the need for grou