# chapter city country more
21 Astana 1 Astana Kazakhstan
22 Astana 2 Kazakhstan
23 Athens 1 Athens Greece
24 Athens 2 (NTUA) Athens Greece
25 Atlanta Peachtree Corners United States
26 Auburn Auburn United States
27 Auckland Auckland New Zealand
28 Austin Austin United States
29 Baebong Seoul South Korea
30 Baltimore 1 Towson United States
31 Baltimore 2 Baltimore United States
32 Bangalore Bangalore India
33 Belize Belize City Belize
34 Beograd Beograd Serbia
35 Berkeley Richmond United States
36 Bern 1 Switzerland
37 Bern 2 Switzerland
38 Bishkek Bishkek Kyrgyzstan
39 Bonn Bonn Germany
40 Bonn City Bonn Germany