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SOMEPEOPLE"Unbelievable!" ... or what 17-, 25-, 35- and 46-Across are made from, letter-wise? DUSSELDORFEuropean city recovering from disappointment, investing not as much (10) ALASKAROLLSushi bite topped with salmon KOOKABURRAThis bird sits in the old gum tree (10) SETTOMUSICNoted work? BROOMSTICKWitch carrier (10) ISLEOFDOGSReportedly, I adore residents of Battersea, part of London ENANTIOMERAwkwardly mention ear — it's one of a pair, the mirror image of the other BEAUTYMARKEnhancing "blemish" (3x) EMANCIPATEEuropean chap worried about withdrawn photo's release CONTAGIOUSLike laughter, sometimes GARDENHOSEKid’s knocked over shed one rebuilt – a wind-up for the horticulturalist? (6,4) WORDLESSLYRecklessly sells dowry without a sound (10) TWITTERINGSound of birds on social media? (10)