Here is a question about this article: Three main parades take place during Carnival. The first is held on the first day, during which the "Carnival King" (either a person in costume or an effigy) rides through the city on his carriage. The second is held on the first Sunday of the festival and the participants are mainly children. The third and largest takes place on the last day of Carnival and involves hundreds of people walking in costume along the town's longest avenue. The latter two parades are open to anyone who wishes to participate.
What is the answer to this question: What do people walk along the town's longest avenue in?
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So... costume

Here is a question about this article: The Estonian dialects are divided into two groups the northern and southern dialects, historically associated with the cities of Tallinn in the north and Tartu in the south, in addition to a distinct kirderanniku dialect, that of the northeastern coast of Estonia.
What is the answer to this question: What is the northern city to which the northern dialect is associated?
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So... Tallinn

Here is a question about this article: In 2008, extreme waves and high tides caused widespread flooding in the capital city of Majuro and other urban centres, 3 feet (0.91 m) above sea level. On Christmas morning in 2008, the government declared a state of emergency. In 2013, heavy waves once again breached the city walls of Majuro.
What is the answer to this question: What caused the 2008 floods?
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So...
extreme waves and high tides