Witnesses said the paraglider was spiralling-----and appeared to be out of control before the crash.

目击者表示，滑翔者盘旋下降，似乎在撞上屋顶之前已经失去控制。

Apprehension of illegal immigrants by the Border Patrol have dropped 70 percent from 2005 to 2012.

2005至2012，边境巡逻队逮捕非法移者数量下降了70%。

As the popularity of hunting declines, safaris are swapping their guns for cameras, offering tourists the chance to photograph wild animals in their natural habitat.

随着狩猎热度下降，游猎者们把枪换成了相，为游客们提供了在自然栖息地拍摄野生动物。

I think risers and followers are just changes based on a more complete picture that you get over the course of the process.

我认为上升者和下降者只是基于在整个过程中获得更全面了解变化。