Yelena Nikolayeva with her newborn son Pyotr who became the Earth's seven billionth resident, in the labor ward of the Kaliningrad Perinatal Center. Left is Ivan Marchuk, the center's head physician.
- Categories: Health
- Location: Kaliningrad, Russia
- Event date: 31.10.2011
- Date published: 31.10.2011
- Author: Igor Zarembo
- Source: Sputnik
- Credit: Sputnik
- Original: Digital
- Media: JPEG, 3346x2388px, 1.4Mb