Bochum, North Rhine-Westphalia, Germany
Auckland, Auckland, New Zealand
Seoul, Seoul
Houston, TX, USA
Würzburg, Bavaria, Germany
Boulder, CO, USA
Tokyo, Japan
Yamanashi, Japan
Ome, Tokyo, Japan
Ōta, Tokyo, Japan
Nairobi, Nairobi, Kenya
Kigali, Kigali City, Rwanda