Journal+4+Photo+1

Leading Lines By: Dirk Wustenhagen Imagery 2007 Resource: Getty Images

Black Headed Gull Flying in a Line By: Mark Horn Resource: Getty Images

Herd of African Elephants Walking in Amboseli National Park, Kenya By: Martin Harvey Resource: Getty Images

Saratoga Country- Wooden Horse Fences By: Shobeir Ansari 2009 Resource: Getty Images

Lioness Leading Hunting Line at Kings Pool Concession, Linyanti Swamp, Botswana By: Per- Gunnar Ostby Resource: Getty Images