23. 12. 2021938 tis. zhlédnutíDig into the engineering of the Hoover Dam, a concrete arch-gravity dam on the Colorado River that supplies water to the US southwest.--In the early 20th cen...
10. 11. 20153 222 zhlédnutíProvided to YouTube by SupraphonDám vše, co mám (Get Me Some Help) · Ovečky · Pastýři · Petra ČernockáLidí se ptej...℗ 1971 Supraphon a.s.Released on: 2008-1...