Compulsory education in Lithuania starts with the age of 6 until 16. The primary school is for four years, the basic first stage takes 6 years with students being 10 to 17 years old. After this stage, the senior secondary school starts which last for 2 years and where students can finish with the international baccalaureate.
Rivers of Lithuania are typical lowland rivers: they are slow, they make meanders, the valleys are wide. Because of abundant precipitation, the river net is dense: on the average 0.99 km of rivers flow in 1 km² of the territory.
Most visits to Lithuania are trouble-free but you should be aware of the global risk of indiscriminate international terrorist attacks, which could be against civilian targets, including places frequented by foreigners.