A female Slovenian police officer searches a refugee woman as she crossed to the Slovenian side of the main Croatian border crossing with Slovenia Obrezje-Bregana, west of Zagreb, capital of Croatia, Sep 20, 2015. According to Slovenian police, over 2,000 refugees have arrived in Slovenia through the borders between Croatia and Slovenia. Photo: Xinhua

Slovenian riot policemen help a refugee to cross to the Slovenian side of the main Croatian border crossing with Slovenia Obrezje-Bregana, west of Zagreb, capital of Croatia, Sep 20, 2015. According to Slovenian police, over 2,000 refugees have arrived in Slovenia through the borders between Croatia and Slovenia. Photo: Xinhua

A group of refugees walk to the Slovenian side of the main Croatian border crossing with Slovenia Obrezje-Bregana, west of Zagreb, capital of Croatia, Sep 20, 2015. According to Slovenian police, over 2,000 refugees have arrived in Slovenia through the borders between Croatia and Slovenia. Photo: Xinhua

A refugee family walks to the Slovenian side of the main Croatian border crossing with Slovenia Obrezje-Bregana, west of Zagreb, capital of Croatia, Sep 20, 2015. According to Slovenian police, over 2,000 refugees have arrived in Slovenia through the borders between Croatia and Slovenia. Photo: Xinhua