Before revision: Chronologie du Cambodge de 1960 à 1990 - from Raoul M. Jennar, Les clés du Cambodge It became a gigantic effort that included clearing long patches of tropical forest by felling a great number of trees, as well as slashing and uprooting tall vegetation.
After revision: It became a gigantic effort that included clearing long patches of tropical forest by felling a great number of trees, as well as slashing and uprooting tall vegetation.