Peb nthuav qhia koj phau ntawv sau txog tus neeg tsis paub lub neej zoo thiab cov kws tshawb nrhiav neeg, uas nyob rau thaum xyoo 19 puv 19, tsis kam sau thiab kawm txog kab lis kev cai thiab kev paub ntawm lub teb chaws tshiab.
Nws tau yug los nyob hauv Berlin, lub teb chaws Yelemees xyoo 1769. Ib tus kws tshawb fawb zoo thiab tsis mob siab rau kev taug kev, nws muaj kev paub zoo txog botany, geography thiab mining.
Xyoo 1799, Carlos IV ntawm Spain tau tso cai rau nws mus ncig ntawm Asmeskas thaj chaw. Nws ncig tebchaws Venezuela, Cuba, Ecuador, Peru thiab feem ntawm Amazon. Nws tuaj txog hauv Acapulco hauv 1803, yuav luag tam sim ntawd pib tshawb xyuas ntau yam los ntawm qhov chaw nres nkoj no thiab mus rau Mexico City.
Nws tau mus xyuas Real del Monte, hauv Hidalgo, Guanajuato, Puebla thiab Veracruz, ntawm lwm qhov chaw txaus siab. Nws tau ua kev kuaj xyuas nyob rau hauv lub Hav ntawm Mexico thiab qhov ib puag ncig. Nws cov ntawv sau cia yog qhov ntev heev; sau tau ntau yam haujlwm ntawm Mexico, qhov tseem ceeb tshaj plaws "Kev Sau Ntawv Nom Tswv Ntawm Lub Tebchaws Tshiab Spain", ntawm cov ntsiab lus tshawb fawb thiab keeb kwm.
Nws raug lees paub thoob plaws ntiaj teb rau nws txoj kev tshaj tawm rau Asmeskas, tshwj xeeb yog Mexico. Tam sim no, nws cov haujlwm yog cov cuab yeej kev sib tham tseem ceeb hauv thoob ntiaj teb kev tshawb fawb. Tom qab taug kev ntev mus rau Asia Me me, nws tau los nyob ntev rau hauv Paris, tuag hauv Berlin xyoo 1859.
