 The derivation of the Gothic ogival arch from branches tied together from trees found another historical basis in "De Germania" by the Roman author Tacitus (c. 98 AD) which was rediscovered in the early 15th century by humanist scholars.Tacitus reports that the Germans worshipped their gods in the forests.The particularities of Gothic architecture north of the Alps – pointed arch vaults in analogy to the canopy of leaves of the Germanic groves – are interpreted by early German humanists as their own national antiquity.