Police buses and police officers surround the Cheonggye stream plaza in central Seoul, June 7, 2011, where university students are planning to hold a rally demanding tuition fees cuts.

南韩大学生打算在首尔市中心的清溪广场举行要求降低学费的抗议，因此警方及警车于7日先将广场给围起来。

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Crossing downtown Seoul is the Cheonggye stream -- a river that was covered by a road until it was unearthed in 2005 and transformed into one of the city center's most popular urban oases and worth a stroll in the evening.

CNN: Look into your Seoul for a hit of Korean flavor