Pentagon ndi imodzi mwa nyumba zotchuka kwambiri padziko lapansi. Komabe, sialiyense amene amadziwa ntchito yomwe ikuchitidwa mmenemo, komanso kuti idamangidwira chiyani. Kwa ena, liwu ili limalumikizidwa ndi china chake choyipa, pomwe kwa ena limadzutsa malingaliro abwino.
M'nkhaniyi, tikambirana za pentagon, osayiwala kutchula ntchito zake ndi malo.
Zambiri zosangalatsa za Pentagon
Pentagon (Greek πεντάγωνον - "pentagon") - likulu la Unduna wa Zachitetezo ku US munyumba yofanana ndi pentagon. Chifukwa chake, nyumbayo idadziwika ndi mawonekedwe ake.
Chosangalatsa ndichakuti Pentagon ili pamalo a 14th pamitengo yayikulu kwambiri, malinga ndi malo, padziko lapansi. Inamangidwa kumapeto kwa nkhondo yachiwiri yapadziko lonse - kuyambira 1941 mpaka 1943. Pentagon ili ndi izi:
- chozungulira - pafupifupi. 1405 m;
- kutalika kwa mbali zonse zisanu ndi 281 m;
- utali wonse wa makonde ndi 28 km;
- Chigawo chonse cha 5 pansi - 604,000 m².
Modabwitsa, Pentagon imagwiritsa ntchito anthu pafupifupi 26,000! Nyumbayi ili ndi 5 pamwambapa komanso pansi pa 2 pansi. Komabe, pali matembenuzidwe malinga ndi momwe pali pansi pa 10 mobisa, osawerengera ma tunnel ambiri.
Tiyenera kudziwa kuti pansi ponse pa Pentagon pali 5-gons 5, kapena "mphete", ndi makonde 11 olumikizirana. Chifukwa cha ntchitoyi, malo aliwonse akutali omwe mungamangidwe angafikiridwe mphindi 7 zokha.
Pakumanga kwa Pentagon mu 1942, zimbudzi zosiyana zimamangidwa kwa anthu oyera ndi akuda, chifukwa chake zimbudzi zonse zidapitilira kawiri. $ 31 miliyoni adapatsidwa kuti amange likulu, lomwe lero ndi $ 416 miliyoni.
Zigawenga ziukira pa 11 Seputembara 2001
M'mawa wa Seputembara 11, 2001, Pentagon idachita zigawenga - ndege yonyamula anthu ya Boeing 757-200 idagwera kuphiko lakumanzere la Pentagon, komwe utsogoleri wa zombo zaku America udali.
Dera ili lidawonongeka ndikuphulika ndipo moto udadzetsa, chifukwa chake gawo lina la chinthucho lidagwa.
Gulu la omwe adaphulitsa bomba adatenga Boeing ndikuitumiza ku Pentagon. Chifukwa cha uchigawenga, ogwira ntchito 125 ndi okwera ndege okwanira 64 adaphedwa. Chosangalatsa ndichakuti woyendetsa ndege adathamangitsa nyumbayo liwiro la 900 km / h, akuwononga ndikuwononga zothandizira za konkriti 50!
Lero, m'mapiko omangidwanso, Chikumbutso cha Pentagon chatsegulidwa pokumbukira omwe adazunzidwa ndi ogwira ntchito komanso okwera. Chikumbutsochi ndi paki yokhala ndi mabenchi 184.
Tiyenera kudziwa kuti zigawenga zinayi zidachitika ndi zigawenga pa Seputembara 11, 2001, pomwe anthu 2,977 adamwalira.
