The Challenge is made using AI tools.
A – Antwerpen
B – Beijing
C – Copenhagen
D – Dubai
E – Edinburgh
F – Florence
G – Guatemala City
H – Helsinki
I – Istanbul (not Constantinople)
J – Jerusalem
K – Kyiv
L – Lisbon
M – Mexico city
N – New York
O – Oslo
P – Paris
Q – Quebec
R – Riga
S – Saint-Petersburhg
T – Tokyo
U – Utrecht
V – Vienna
W – Washington
X – Xi'an
Y – Yerevan
Z – Zagreb
