Last year, after mandatory coronavirus restrictions were lifted around the world, international tourism recovered to 90% of pre-pandemic levels, according to the World Tourism Organization. But it was also a year of upheavals, with disasters — both natural and human-made — disrupting travel, from wildfires to labor unrest and technological breakdowns. Sign up for The Morning newsletter from the New York Times With 2023 in the rearview mirror, we look ahead at what travelers will face in 2024. Wi