LONDON'S RIVER TURNED MURKY: A SUMMER OF FILTH, 1858

The city of London sweltered in the heat of summer, 1858. But it was not merely the sun that parched the metropolis. An even more unpleasant force infested its very heart: the River Thames. Years of industrial waste had transformed London's lifeblood into a nauseating odor. The stench was oppressive, a miasma that clung to every cobblestone and sat

One sunny/bright/clear afternoon in the late 1580s/1590, a small colony/115 settlers/a group of adventurers on Roanoke Island vanished without a trace/clue/whisper. This event, known as the Lost Colony of Roanoke, has haunted/baffled/puzzled historians and amateur sleuths/investigators/enthusiaists for centuries/generations/decades. Despite/In spit