Thaum Lub Ob Hlis 19, txoj haujlwm tseem ceeb hauv tebchaws Hong Kong-Zhuhai-Macao Choj E29 immersed yeeb nkab tau ua tiav kev teeb tsa, lub qhov muaj qhov ntev ntawm 5481 meters, tsuas yog 183 meters ntawm tus choj hla lub rooj tsavxwm.Ob txheej ntawm "Sky Concrete" pob zeb sib xyaw nkoj nrog tsib txheej ntawm cov pob zeb sib xyaw cov nroj tsuag uas tsim nyog tsim thiab txhim khu kev qha, cov khoom lag luam ruaj khov, thiab muaj zog ntau lawm txuas ntxiv, nrog rau lub sijhawm nruj, cov txheej txheem ntau lawm, kev thov nruj rau kev ua tau zoo, tau txais txiaj ntsig zoo. Kev tsim kho ntawm Hong Kong-Zhuhai-Macao Choj.

Ntau xyoo dhau los, Shantui Janeoo tso siab rau kev tshawb fawb thiab thev naus laus zis tshiab, tawg cov teeb meem kev lag luam, tsim cov khoom lag luam siab-ntxiv high-tech, kom tshem tawm cov kev ntshai rau cov neeg siv tom qab.Ntawm lawv, cov khoom siv sib sib zog nqus hauv kev kho mob yog sib sib zog nqus submarine soft foundation kev kho mob ntawm cov tawv nqaij, cov khoom siv tshwj xeeb txhaj tshuaj, cov txheej txheem kev tsim kho siv cov ntaub ntawv tseem ceeb hauv submarine ncaj qha thov kom tsis txhob khawb kev tsim kho, txo cov txheej txheem kev tsim kho ntawm cov dej nyob ib puag ncig. muaj kuab paug, kom tswj tau qhov qub lub xeev ntawm kev tsim kho dej, thaum txo qis lub hauv paus ntawm kev tsim kho tom qab kev sib hais haum.

Hong Kong-Zhuhai-Macao Choj, lub npe hu ua "Seven Wonders of the Modern World" los ntawm British "Tus Saib Xyuas", yog Tuam Tshoj thawj tus choj hla hiav txwv hauv ntiaj teb txuas nrog Hong Kong, Zhuhai thiab Macao nrog qhov ntev ntawm 55. kilometers.Cov chav nyob ntawm txoj hauv kev txij li kev tsim kho tau siv sijhawm ntev tshaj li plaub xyoos, kev siv cov thev naus laus zis tshiab, cov khoom siv tshiab thiab cov khoom siv tshiab, hauv ntau qhov chaw los ua kom lub qhov khoob, tsim "Tuam Tshoj tus qauv" rau lub ntiaj teb, yog qhov siab tshaj embodiment ntawm Tuam Tshoj tus choj technology.