University professor riding bike carrying students and being monitored by doctor, illustration. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / IKON IMAGES / Jonathan McHugh |
Bildgröße: | 4095 px × 4095 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |