I gave you three links (not a quote from one person on Wikipedia) with roughly five years between them, including this year, one of which was built in another country by the Chinese. Another would be the half-finished Sihanoukville in Cambodia, which saw China withdraw its investment and left many holding their bags. Overinvestment in areas with millions of empty rooms in China and abroad and a complete waste of resources is only contested by you.

Some more here: https://allthatsinteresting.com/chinese-ghost-cities

And here: https://www.businessinsider.com/china-ghost-town-deserted-chinese-mega-villas-overrun-farmers-2023-7?op=1

And here: https://uschinatoday.org/features/2022/01/11/cities-lost-in-limbo-are-chinas-ghost-cities-here-to-stay/