Roberto has visited only twenty-seven places or only twenty-three people
Roberto has visited Turkey, Mozambique, Russia, Sri Lanka, Brazil, Cabo, Palau, Comoros, Ecuador, Sweden, El Salvador, Ethiopia, Qatar, Mauritania, Canada, Guinea-Bissau, Trinidad & Tobago, Uganda, Somalia, Estonia, Kiribati, Iraq, Brunei, Tonga, Bosnia & Herzegovinia, Botswana, Mexico and Mali