Chacun

Pronoun

  de

Adposition

  ces

Determiner

  sentiers

Noun

,  long

Adjective

  de

Adposition

  plusieurs

Determiner

  milliers

Noun

  de

Adposition

  kilomètres

Noun

,  traverse

Verb

  plusieurs

Determiner

  pays

Noun

  européens

Adjective

.

Each of these trails, several thousand kilometres long, crosses several European countries.

Each of these trails, several thousand kilometres long, crosses several European countries.