Fauna of Europe of the Baltic Sea has led to the evolution of many slightly divergent species, such as the Baltic Sea herring, which is a smaller variant of the Atlantic herring. The most frequent benthic species are "Saduria entomon" and "Monoporeia affinis", which is originally a freshwater species. A great part of its bottom is anoxic and without animal life. The Baltic Sea and North Sea are also home to a variety of marine mammals (common seals, grey seals). Europe contains several important freshwater ecoregions, including the heavily developed rivers of Europe, the rivers of Russia, which flow into the Arctic, Baltic,
To the Youth in Europe and North America "cultural representatives and advisers have been mobilized by Iran’s Islamic Culture and Relations Organization to travel to European and North American countries to promote a message from Iran’s Supreme Leader among the youth there". The Islamic Culture and Relations Organization also translated the letter into 21 languages. In his tweets responding to the 2015 kidnapping and beheading of Copts in Libya, Khamenei continued using the hashtag Letter4U. Mohammad Javad Zarif, the Foreign Minister of Iran, delivered a copy of the letter to UN General Secretary Ban Ki-moon. Al-Mustafa International University created a website with the letter and translation in various