Scientists warn that as humans move more activities off-Earth, more debris will fall to Earth, polluting as it plummets.
Deploying a Bootc Image
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Sports events will create spikes in demand, for example at half time, while concerts produce "relentless, sustained pressure from start to finish".
当前，文旅市场供需两旺，但也存在“成长的烦恼”。比如，有的古镇、古街建设同质化，简单复制粘贴别处的青瓦白墙；有的景区缺少特色，“灯光秀+小吃街+复古建筑”的老三样，让游客产生审美疲劳。特色不显、竞争力不强，就容易导致“建得起、火不了、留不住客”。