ma
ti
ke
to
pe
la
su
1
2
3
4
5
Washington DC, USA
Helsinki
Turku
6
7
8
Oslo, Norway
St. Gallen, Switzerland
9
10
11
12
13
14
15
16
Philadelphia, USA
17
London, United Kingdom
18
19
20
21
Lappeenranta
22
23
24
25
26
27
28
29
30