10 visiting now: 5 USA 
1 Germany 
1 Laos 
1 Paraguay 
1 Argentina 
1 Russia 
1 Brazil 
1 China 
1 Germany 1 Laos 1 Paraguay 1 Argentina 1 Russia 1 Brazil 1 China 1 Germany 1 Laos 1 Paraguay 1 Argentina 1 Russia 1 Brazil 1 China