出于对移民和恐怖主义问题的担忧，12个欧盟国家在申根区重新实施临时边境检查。 12 EU countries reintroduced temporary border checks in the Schengen zone due to migration and terrorism concerns.

由于合法和非法移民人数增加以及恐怖主义威胁，12个欧盟国家已在申根区重新实施临时边境检查。 12 EU countries have reintroduced temporary border checks in the Schengen zone due to increased legal and illegal migrant arrivals, as well as terrorism threats. 这些国家包括奥地利、丹麦、法国、德国、希腊、匈牙利、意大利、拉脱维亚、马耳他、波兰、斯洛伐克和斯洛文尼亚。 These countries include Austria, Denmark, France, Germany, Greece, Hungary, Italy, Latvia, Malta, Poland, Slovakia, and Slovenia. 检查范围涵盖陆路和海上过境，持续时间各不相同，有些甚至持续到2022年6月。 Checks range from land and sea transit, and their durations vary, with some lasting until June 2022.