| On Monday, Crystal Rivere Cruises said the Mozart would return to the Crystal river fleet in March 2022 with seven-night, roundtrip itineraries on the Danube River. Above, the ship in Budapesst. Crystal River Cruises said it is expanding its fleet to meet post-pandemic demand for European sailings with the reintroduction of the Crystal Mozart, a double-wide ship that it had renovated and used to launch river cruising in 2016. Following the subsequent rollout of four additional vessels, the company in May 2019 said that the Crystal Mozart would be retired in 2020 and transferred to parent co...