18 visiting now: 10 China 
2 Singapore 
1 Colombia 
1 South Africa 
1 Iraq 
1 Kyrgyzstan 
1 Palestine 
1 Saudi Arabia 
2 Singapore 1 Colombia 1 South Africa 1 Iraq 1 Kyrgyzstan 1 Palestine 1 Saudi Arabia 2 Singapore 1 Colombia 1 South Africa 1 Iraq 1 Kyrgyzstan 1 Palestine 1 Saudi Arabia