Do you have any good recommendations for traveling abroad in 2020?

The fairy tale world of Denmark is indispensable for foreign travel, and Copenhagen is no stranger to everyone. It is the hometown of mermaid and a frequent visitor on various lists. How can it be absent from the ranking of foreign tourist attractions? You can take Nami to travel here, where the environment is beautiful, public transportation is perfect, and it is really zero bad reviews and zero pollution. Moreover, everyone advocates cycling culture, and basically they travel by bike, which is very environmentally friendly.