Nthaŵi zonse anthu akhala akuyesetsa kufufuza malo osadziŵika, kuphunzira chikhalidwe chatsopano. Komabe, akadakali chilumba padziko lapansi ndi fuko, miyambo yomwe palibe wina akufuna kudziwa, komanso oyendayenda omwe sazindikira safuna kuyendera chilumba choyiwalika ndi Mulungu.
Chigwa cha kumpoto cha Sentinel Island (chigawo cha 72 km2) ndi chimodzi mwa zipilala za Andaman ku Bay of Bengal. Zaletsedwa kuyendera, chifukwa zimakhala ndi anthu omwe amatchedwa osalumikizana. Chilumba ichi chinakhala dziko lakwawo la mtundu wankhanza wa Sentinel. Amakana kukambirana kulikonse ndi dziko lakunja ndipo akutsutsa mwamphamvu kwa onse omwe amayesetsa kufika pachilumba chawo. Sentineltsy akuponya miyala ndi kuwombera mivi pa ndege zouluka ndi ndege, ndipo amatha kuyendetsa sitima zoyandikana nazo.
Komabe, kuyendera malo ano kungakhale koopsa osati kwa anthu odziwa chidwi. Anthu okhala pachilumbachi sali otetezedwa ku matenda amasiku ano, kotero kuti kukhudzana ndi chitukuko kungathe kuwononga mafuko onse, omwe kwa zaka zambiri adafufuza magulu a ofufuza, akatswiri a zamulungu.
N'zosangalatsa kuti fuko ili linayamba kupezeka mu 1700s. Ndipo nthawi ya chiyambi cha Sentinelites ndi Stone Age, momwe, monga zikuwonetseredwa, anthu awa adakali moyo.
Mwamwayi, Sentinel Island imayendetsedwa ndi boma la Indian, koma kwenikweni a Sentinelis opulupudza amasiyidwa okha, popeza sanagwirizanepo ndi mgwirizano uliwonse kuti adzalandire dziko lililonse ndipo sanakambiranepo.
Pewani kukwera pa iyo, ngati simukufuna kuti mukhale ndi vuto. Mwachitsanzo, asodzi awiri, omwe adatayika pano mu 2006, adaphedwa mwankhanza. Pamene ndege ya Coast Guard inkafuna kuti itenge matupi awo, anthu a pachilumbacho ankachita mwankhanza kwambiri moti ndegeyo sinathenso kufika. Posakhalitsa zinadziwika kuti fukolo linabisa matupi a anthu osalakwa.
Chiwerengero cha fuko omwe amakhala pachilumbachi, malinga ndi zochitika zosiyanasiyana, chimakhala pakati pa anthu 50 ndi 400. Mwa njira, chilumbacho chinapezedwa kumapeto kwa zaka za zana la 18, koma kukhalapo kwake kunaiwalika kwa zaka pafupifupi zana, ndipo kukumbukiridwa kokha mu 1867, pamene sitima ya amalonda ya ku India inagwera m'madzi awa.
Lero ndi chilumba chotsiriza padziko lapansi, chokhala ndi anthu achikunja. Pankhani ya maonekedwe awo, akatswiri a anthropologist amawatcha iwo a ku Negritos. Otsatirawa ali ndi khungu lamphuno, zotchinga, ndipo kutalika sikuposa 170 cm.
Yoyamba ndipo, mwinamwake, kukambirana kokha kochezeka kunapangidwa mu 1991 ndi wasayansi T.N. Pandit. Koma kale kumapeto kwa zaka za m'ma 1990, pulogalamu yothandizana nayo inaletsedwa chifukwa cha chidani cha fukoli.
Pambuyo paulendo umenewu, palibe amene adawopa kuyendera chilumbacho.
Zinadziwika bwino kuti fukoli ndi labwino ndipo likukula popanda chitukuko chamakono.
Mwa njira, Sentineltsy amapanga mivi kuchokera ku zitsulo ndikuigwiritsira ntchito muzojambula zamanja ndi zida zambiri.