The Great Wall of China we all know, and the dingo fence, but what about the Great Hedge of India? This vast, botanical barrier once spanned a distance of more than 1500 miles. There was never mile on mile of perfect hedge, rather a hodge-podge of different species, interspersed with stone walls in barren places. Species used included bamboo, prickly pear, thorny acacias and Indian plum. The hedge was planted in the 19th century to keep out those who would smuggle salt from the west to British I...
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