S.WALLA ancient wall

the remains of a linear defensive stone structure

130 features in 22 countries.

#CountryFeaturesShare of the world
1GermanyDE41
2South KoreaKR21
3North KoreaKP19
4United KingdomGB7
5GreeceGR7
6IranIR5
7ChinaCN3
8ItalyIT3
9PortugalPT3
10SyriaSY3
11TurkeyTR3
12SpainES2
13FranceFR2
14The NetherlandsNL2
15TurkmenistanTM2
16AlgeriaDZ1
17FijiFJ1
18LibyaLY1
19MoroccoMA1
20OmanOM1
21RomaniaRO1
22VietnamVN1
Total130