How they long for the fence to be gone! Just look at those eyes… and decide whether the yearning in their hearts is communicable to people.
Could appreciation of animal needs modify human behaviour? Taming the world for human purposes and making everything safe brought fences almost everywhere. Natural habitat has given way to progress and continues to do so at a brisk rate.
Concessions to keep a modicum of the wild intact involves clear perimeters reinforced by strong fences. Electricity is added to make doubly sure, plus elaborate wildlife management on a commercial basis. The animals must bear their own cost after all!
Is a managed lion still a lion? Do we care? These are the residual lions marvelled at in the twenty first century. Real lions knew no fences.