Where In The World? Shihmen Reservoir

 

I'm sure that 97% of the readership will look at the name, and the labels on the map and say "China".

And you would be sort of correct.

A genuine tip o' the sombrero to the 3% who said "Taiwan" or "Chinese Teipei" or Republic of China. Yes, the reservoir is located on that island.

Bonus - Mount Vesuvius eruptions in the 1700s - pietro fabris

Bonus 2 - Do I really have to explain every image?