Greetings from Sweden! The problem here is not that the lakes wont freeze, but instead that we ge get too much snow on the ice making it difficult for ice skating..
Buy some small polishing machines and make nice skating paths along some nice Swedish lakes. Advertise in the Netherlands for skating vacations in Sweden in February and the local tourist industry can make some serious money.
@@roodborstkalf9664 I believe there was some race up north on the frozen ocean, a few years ago: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-a2zGq34Q_SM.html