| - Rues' Hometown, Esslingen. And other regions of Germany
- India, Calcutta, 2006
- Sundarbans Ganges Delta Cruise
- India, Raidighi - Luthern World Service, 2006
- Cuba, Havana, 2007
- Cuba, Isle of Youth, Nueva Gerona, 2007
- El Salvador, San Salvador and Santa Ana region
- El Salvador's Historic Cities and Coffee Plantations
- Paraguay - Asuncion
- Paraguay - Pilar
- Paraguay - Isla Umbu
- Paraguay - Paso de Patria
- Paraguay - Humaita
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