Complex sentence: The Prague Writers ´ Festival has become over the years an internationally acknowledged social occasion, in 2005 it had its second brief appearance in Vienna and it has aspirations to expand to New York and Athens.
Split into simpler sentences: The Prague Writers ´ Festival has become over the years an internationally acknowledged social occasion. In 2005 it had its second brief appearance in Vienna, and it has aspirations to expand to New York and Athens.