Материалы по тегу «pandemic covid-19»
What Effect Does COVID-19 Have on Our Lungs? Explains Pulmonologist, Corresponding Member of the Russian Academy of Sciences Sergey Avdeev
The COVID-19 pandemic is causing people to leave big cities
What saints did the conquistadors pray to and why did they decide to conquer Mexico? What was the ethnic, regional, and age composition of the Conquista?