This is the 18082nd most frequent Russian word.
характерны
"Характерны" means "characteristic of" or "typical of."
The word 'характерны' is used here as an adjective in plural form, describing places by their prominent feature, natural beauty.
Эти места характерны своей природной красотой.
These places are characterized by their natural beauty.
The word 'характерны' here describes the distinctive feature of the person's writing style, highlighting what sets it apart.
Для его манеры письма характерны длинные описания.
His writing style is characterized by long descriptions.
In this sentence, 'характерны' is used to indicate a typical or distinctive quality, associating it with energy in the context of children and sports.