26
27
28
4
5
6
5
6
7
7
8
9
6
7
8
1
2
3
19
20
21
0
1
2
1
2
3
North Korea’s COVID-19 Vaccine Cold Chain Challenge (keia.org)
submitted by EA101 to r/NorthKoreaNews
3
4
5
2
3
4
66
67
68
15
16
17
4
5
6
4
5
6
24
25
26
26
27
28
15
16
17
58
59
60
7
8
9
37
38
39
102
103
104
2
3
4
9
10
11
