Thawj qhov kev saib xyuas

Xyoo 1885 olmsted-tsim New York xeev kev tshwj tseg ntawm Niagara tau ua rau lub teb chaws ua ntej ntawm Asmeskas Falls thiab Horseshoe loj poob hla ciam teb hauv Canada. Tab sis muaj teeb meem: Niagara Falls tau poob nws xob quaj. Ib qho kev loj hlob hydropower "Caj npab haiv neeg" ntawm ob lub teb chaws epriver txhais tau tsawg dua li tau ntws hla lub ntog ntawm ob sab.

Tom qab Canada thiab Asmeskas tau kos npe rau Niagara Dej Diversion nyob rau hauv lub hnub nyoog ntawm Niagara

"Qhov ntawd txhais tau tias yog koj tau mus rau Niagara ntog ntawm lub caij ntuj no, txhua lub sijhawm uas koj tau pom yog ib feem ntawm cov dej ntws los," MacFarlane qhiaNational GeographicCov. "Lwm peb lub quarter mus ncig [lub caij nplooj zeeg] hauv kev sib txawv hauv kev sib deev menyuam roj hmab

Lub xyoo 1950 Daim Ntawv Kho Mob kuj nteg tawm ib txoj kev npaj rau daim npog hauv qab dej thiab nws lub caij nplooj zeeg. Canadian cov cuab yeej hloov pauv tus dej hauv cov ntu me, tawg thiab ua kom muaj ntau yam los ua ib qho kev sib tsoo ntawm cov dej nyias nyias, cov dej sib dhos los ntawm cov dej. Ib qho kev cai-ua "telecolorimeter" pab tau cov engineers kom cov ntog ntawm lub hav canadian nyob sab xis ntawm ntsuab ntsuab. Rov ua dua tus nees Fallhoe Falle Fall's Floanks minimized post, uas yog ib txwm muaj kev tsis txaus siab tuaj ncig tebchaws .fuck kev sib deev roj hmab

Cov neeg khaws cia tau chim siab los ntawm cov khoom lag luam me me no yog qee qhov chaw tam sim no yog qee qhov chaw pib qhov chaw nyob ntawm qhov chaw Niagara escarpment txog 12,000 xyoo dhau los.

"Tab sis yog tias koj muaj dej tsawg dua mus dhau nws, lub caij nplooj zeeg tsis tuaj yeem yauv tsis tau sai sai," MacFarlane piav qhia. Yuav ua li cas txoj kev zoo dua los txhawm rau txhawm rau khaws cov niagara ntog, cov cav cav sib cav, dua li kom yooj yim qeeb ntawm cov dej ntws?