There is the issue of the visa. I believe that the Switzerland grants you a tourist visa for 7 days. My friend of Phuket took three months for the France visa. Since the France could come to Switzerland without problem and stay there more than three weeks. In this case it is necessary to go to Paris and take the Train à grande vitesse (TGV) Paris-Geneva. I do not know the price of this journey but you can learn on the Internet. I know that this project is perhaps only a dream. But a dream whose part is possible. I replied to the invitation of your MOM on Facebook. I'm waiting for his reply and I welcome her, and you. Pierre