No coin nor oath required. For personal study only.
In the satellite image: the imposing Manicouagan crater in Canada with a diameter of approximately 100 kilometres. This as well as other craters still puzzle geologists and chemists.
๐ SIMILAR VOLUMES
Tropical forests shrouded in mist and cloud are a habitat for very diverse communities of species. But these mountain rain forests are endangered. Globally they now account for less than one percent of the world's total forested area. In Costa Rica scientists have studied this fascinating flora and
## Insights into Everyday Colonial Life Multifaceted testimonies of colonial history: 55,000 historical photographs document life in the German colonies before the First World War. A great effort has been put into indexing and digitalising the photographic record, the collection is now available o