world2024-05-22 10:54:23967China's home China's first home grown hydrogen energy urban train successfully completes its test run at a speed of 160 kilometers per hour in Changchun, northeast China's Jilin Province, March 21, 2024. (Photo/China News Service) worldPrevious:US Open champ Coco Gauff urges young Americans to voteNext:New York's high court upholds requiring insurance to cover medically necessary abortionsRelated articles、 Hush money trial: Trump witness Costello back on the stand after admonishmentCome fry with me! The UK's cheapest and priciest airports for a full English breakfast revealedInside LausanneHow Impax Environmental Markets invests for profit and to improve the planet: INVESTING SHOW