A young mother, Anastasia Tatarnikov, was plunged in a state of shock as the house she was living with her newborn son was engulfed by a giant sinkhole in the Kazakhstan city of Ridder.A young mother, Anastasia Tatarnikov, was plunged in a state of shock as the house she was living with her newborn son was engulfed by a giant sinkhole in the Kazakhstan city of Ridder.