Wikipedia:Articles for deletion/Proposed tall buildings and structures
the only |crystals I detect are the ones of |water ice precipitating from the sky. The broad topic of the list is one that merits coverage in en encyclopedia, and the various entries are mostly well referenced. It is somewhat speculative, yes, but this is not an unjustified flight of fancy about what the future may hold, it is  speculation covered in reliable sources
— User:Reyk, 22:45, 3 December 2008 (UTC)
Stance: keep
Cited policy: WP:CRYSTAL||WP:SNOW (Wikipedia:What Wikipedia is not)