While you are visting here, check out a book on famous county libraries.
Contest #812 Hint
No mosquitoes – and a water refill every three weeks
Contest #811 Hint
At the intersection of Yellow and Blue.
Contest #807 Hint
Located in a city recognized first by Comoros then by other countries, it’s not a city one might expect to see such modern structures.
Contest #805 Hint
Every year, the outer mud layer of the pearl in this protected city is renewed.
Contest #803 Hint
Pfahlbau is THE keyword!
Contest #802 Hint
At the confluence of two important rivers in Gaul, one of them going to the Mediterranean Sea.
Contest #801 Hint
Built for a reason and used for only 4 years. Then repurposed and used for shelter!
Contest #800 Hint
The straight lines are definitely what will lead you to the answer.
Contest #797 Hint
An ancient castle from the 13th Century, a fort from the 17th, modern day fish farms and nature reserves and just out of view an international border – lots of things to look for.