Quabbin Reservoir, MA., U.S. - 21 [3,840 X 2,160]
Quabbin Reservoir, MA., U.S. - 22 [3,840 X 2,160]
Quabbin Reservoir, MA., U.S. - 23 [1,920 X 1,080]
Quabbin Reservoir, MA., U.S. - 24 [3,840 X 2,160]
Georg Simon Ohm (1789-1854)
Ohm shows "You can't be perfect if you can't stop or wait."
¸ðµÎ ¼·Î ÇູÇϽñæ.