They are home to wolves, elks and tigers: the boreal forests of the north. They store more carbon than all the rainforests put together and, as such, are crucial for the world’s climate. Where permanently frozen ground is mostly covered in metre-high snow, and summer is dominated by drought, conifers and ground-cover plants are accustomed to fire. Some plants even need the flam...。凯莉晚上偷偷潜入男友马克的家中,要给他一个浪漫惊喜,但万万没想到这户富裕豪宅早已成了一帮训练有素的冷血歹徒卡伦和西恩等人的目标。过了午夜开始成了恐惧的开始,他们闯进屋内,封闭一切,并绑架了马克与他的父母,而还没被歹徒发现的凯莉成了这场抢案的关键,她得在天亮之前设法救出男友和他的家人,并且顺利逃出战慄空间。。