. "0"^^ . . . . "115255195"^^ . "any period of time during which glaciers covered a large part of the earth's surface; \"the most recent ice age was during the Pleistocene\""@en-us . "glacial period"@en-us . "114393015"@en-us . . . . "ice age"@en-us . "15255195-n"^^ . . . "glacial epoch"@en-us . . . "0"^^ . . "ice age"^^ . .