Matthaus Merian began publishing the 'Theatrum Europaeum' in 1633, it was not finished until 1738 by which time 21 volumes had been issued including some 20,000 pages of text, 720 maps, plans, views and other engravings and nearly 700 portraits. This is fine view of the town of Namur, capital of the Wallonia region of present day Belgium. The town is famed for its seven kilometres of underground passages. The view is ornately decorated with and engraved frame.