about London s Frost Fairs back when the river Thames used to freeze over about once a decade. People would set up shops, pubs and ice skating rinks on a layer of ice thick enough you could walk an elephant on it. The last fair was held in 1814, that was the last time the river ever froze.

Fun Fact: about London’s “Frost Fairs” back when the river Thames used to freeze over about once a decade. People would set up shops, pubs and ice skating rinks on a layer of ice thick enough you could walk an elephant on it. The last fair was held in 1814, that was the last time the river ever froze.