List of countries visited by Sergey Estrin
1
city
0
places
1
city
0
places
5
cities
1
place
4
cities
8
places
1
city
0
places
1
city
0
places
1
city
0
places
5
cities
0
places
2
cities
0
places
3
cities
2
places
1
city
0
places
1
city
0
places
6
cities
0
places
1
city
0
places
5
cities
0
places
1
city
0
places
1
city
0
places
5
cities
0
places
2
cities
0
places
2
cities
1
place
15
cities
2
places
26
cities
8
places
2
cities
0
places
12
cities
0
places
1
city
0
places
1
city
0
places
1
city
0
places
1
city
0
places
9
cities
0
places
8
cities
0
places
1
city
0
places
33
cities
8
places
86
cities
19
places
3
cities
0
places
5
cities
0
places
1
city
2
places
1
city
0
places
2
cities
0
places
1
city
0
places
1
city
0
places
1
city
0
places
1
city
0
places
1
city
0
places
3
cities
1
place
1
city
0
places
1
city
0
places
2
cities
0
places
1
city
0
places
1
city
0
places
3
cities
0
places
3
cities
1
place
1
city
0
places
1
city
0
places
1
city
0
places
1
city
1
place
1
city
0
places
3
cities
2
places
1
city
0
places
95
cities
1
place
1
city
0
places
1
city
0
places
1
city
0
places
1
city
0
places
4
cities
0
places
3
cities
1
place
1
city
0
places
15
cities
4
places
29
cities
41
places
6
cities
0
places
16
cities
0
places
7
cities
0
places
2
cities
6
places
11
cities
8
places
4
cities
0
places
1
city
0
places
1
city
0
places
2
cities
1
place