
Image by Gerd Altmann from Pixabay
Illustration by Gerd Altmann from Pixabay

Image by Macha55 from Pixabay
Image by Peggy und Marco Lachmann-Anke from Pixabay

HOMO ERECTUS – reconstruction by John Gurche; photographed by Tim Evanson [CC BY-SA 2.0], via Wikimedia Commons
CUEVA MANOS – Mariano [CC BY-SA 3.0], via Wikimedia Commons
INSCRIPTION OF XERXES – John Hill [CC BY-SA 3.0], via Wikimedia Commons
STEAM TRAIN – Paki [Public domain], via Wikimedia Commons
SPACE SHUTTLE – NASA.gov

Image by enriquelopezgarre from Pixabay

Bild von Queven auf Pixabay
Bild von Hilary Clark auf Pixabay