Ụlọ Obere Nkịtị Trekronaa bụ obere ụlọ obibi e wuru n'etiti osisi pine na Ogna, Norway. Ụlọ obibi a na-adabere n'elu ihe osisi igwe nke ụkwụ igwe atọ na-akwado ya na kọnkrit, nke mere na ihe owuwu ahụ na-adị ka ihe na-ese n'elu ikuku, na-emetụkwa ala nke ọma. E ji osisi accoya kpuchie ihe owuwu osisi ahụ, na okporo ụzọ na-arịgo (ramp) na-eduba n'ọnụ ụzọ ma na-ebukwa ahịrị mmiri na ọkụ eletrik. N'ime mita kwaduaka 15, atụmatụ ụlọ a nwere obere ụlọ ịsa ahụ, kichin, tebụl iri nri, oche ogologo na akwa ndina maka mmadụ anọ ruo ise. Nhazi a na-ejikọta ahụ iru ala na mmekọrịta chiri anya na oke ọhịa gbara ya gburugburu. A pụrụ ibughari ụlọ obibi a n'agbanyeghị na ọ gaghị ahapụ akara ọ bụla n'ala.

Aha oru ngo : Trekronaa, Aha ndị na-emepụta ya : Manuela Hardy, Aha onye ahịa : Henrik Stokkeland.

Designskpụrụ dị mma mepụtara uru maka ọha mmadụ. Kwa ubochi anyi n’egosiputa ihe nlere puru iche nke n’egosiputa lence kachasi nma. Taa, anyị nwere obi ụtọ igosipụta atụmatụ mmeri nke na-eme ezigbo mgbanwe. Anyị ga-egosipụta ọtụtụ atụmatụ dị egwu ma na-akpali akpali kwa ụbọchị. Gbalia ileta anyi kwa ubochi iji kirie ihe omuma ohuru ohuru na oru ndi okacha amara n’uwa dum.