Pfupisa nyaya yacho:  Nyanzvi dzesainzi dzinoshaya kuti chii chinonzi sikuruu yakasungirirwa padombo (iri pamufananidzo). Chinhu chinoratidzika kuva sikuruu yakasungirirwa mukati medombo chakabata ngwariro yenyika chifo chachakawanwa muma1990, asi gakava rinopfuurira pamusoro pechinhu chacho chaizvoizvo. Vatsvakurudzi vokuRussia vanodavira kuti chinhu chisina kujairika chacho chine makore ane mamiriyoni 300 okukura, chichitungamirira vamwe vanhu kutaura kuti chingava uchapupu hworudzi rwomunhu rwakakwirira zvikuru rwakarasika, kana kuti kunyange basa ravatorwa. Zvisinei, nyanzvi dzinoratidza kuti panogona kuva nemhinduro yepasi pano yokuti "screw" chaizvoizvo chisikwa chomugungwa chakaomeswa. Vatsvakurudzi vakagumburwa ne"screw" pashure pokutsvaka munharaunda yeKaluga pashure pokurova kweasteroid kwakaitika ikoko, Ancient Code yakashuma. "Screw" yacho yakareba masendimita maviri uye yakaunganidzwa neboka rokutsvakurudza nezvezvinhu zvisiri zvomuzvarirwo rinonzi Kosmopoisk Group. Vanotaura kuti dombo racho rine makore ari pakati pemamiriyoni 300 ne320 okukura uye pashure pokuriongorora neX-ray, vanodavira kuti pane imwe "screw" yakavanzwa mukati mebwe racho. Asi masayendisiti akakurumbira zvikuru haana kuona chinhu chacho, naizvozvo aifanira kuvakira fungidziro dzawo pamifananidzo ine tsanga yakaiswa paIndaneti. Boka reKosmopoisk harina kutaura kuti sikuruu yacho yakagadzirwa nei, kana kuti kupa mashoko akazara pamusoro payo. Boka racho, rinozivikanwawo seSpaceserch uye Russian Scientific Organisation, rinoita nzendo dzinoenda kunzvimbo dzinofungidzirwa kuti dzine zvipenyu zvinobva kune dzimwe nyika kana zvisikwa zvisingawanzoitiki - uye rine mukurumbira wakasiyana. Dzorera pasi kuti uone vhidhiyo. Chimiro chakaita sechinhu chakabvaruka-bvaruka chingava chaizvoizvo chimiro chakadzoserwa chechisikwa chacho, icho zvishoma nezvishoma chakanyunguduka apo dombo rakaumbwa rakaripoteredza. Pane mifananidzo yezvicherwa zveJurassic crinoids zvakaunganidzwa muIsrael. Kufungidzira kukuru kunobva kuna nyanzvi dzakaona mifananidzo yeibwe ndiko kwokuti'screw' chaizvoizvo ndiko zvisaririra zvechisikwa chomugungwa chakare chinonzi crinoid. Chimiro chakaita sechinhu chakabvaruka-bvaruka chingava chaizvoizvo chimiro chakadzoserwa chechisikwa chacho, icho zvishoma nezvishoma chakanyunguduka apo dombo rakaumbwa rakaripoteredza. Marudzi anenge 600 eCrinoids zvino afa...
'Screw' yakawanwa padombo nevatsvakurudzi veUFO munharaunda yeKaluga, Russia. Chinhu ichi chisina kujairika chinonzi chine makore 300 miriyoni. Vamwe vanofunga kuti ihwohwo uchapupu hwokuti vanhu vokune dzimwe nyika vakamborarama paPasi kana kuti rudzi rwomunhu rwakapanduka. Asi zvingangova zvisikwa zvomugungwa zvakaomeswa zvinonzi Crinoid.