Mataderos

It was the smell of carrion, of putrifying flesh, and of that old and ever-newly moistened crust of dust and coagulated blood. It was, or seemed, a curiously substantial and stationary smell; travellers approaching or leaving the capital by the great south road, which skirted the killing-grounds, would hold their noses and ride a mile or so at a furious gallop until they got out of the abominable stench.