@beijingchina_066: Who cleans a 632m building? 🧼 Shanghai Tower — the glass is cleaned by machines and workers suspended from the roof, and it takes months to do the whole tower 😳 By the time they finish the bottom, the top needs doing again. The twist makes it harder — the facade isn't flat, so standard gondolas don't work 🌀 Someone's job is hanging off the tallest building in China 🏙️ #lujiazui #shanghai #china #chinatravel #shanghaitower #architecture #engineering

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Sunday 13 September 2026 05:47:04 GMT