Table 1. Selection of the target place

No Target places Population size Green infrastructure Floating population Applicability Selection
1 Korea Seoul 0 0 0 - 0
2 Asia Tokyo 0 × 0 × ×
3 Singapore 0 0 0 0 0
4 Beijing 0 0 × × ×
5 Europe London 0 0 0 0 0
6 Paris × 0 0 ×