But water is pumped into the hole throughout the year, attracting animals when it might otherwise be dry, and overgrazing has substantially depleted the surrounding veld vegetation.

• 天然归天然，为了避免水塘乾掉，一年里还需以人工方式灌水，以确保随时有水可以吸引动物前来饮用。不过这一带由于草食动物过度啃食，周围草木几乎快秃光了。