A 5-minute walk south-east from the Praça de Agostinho Neto is the Jardim da Cultura. This is Huambo's central park, gorgeously redone in 2008/9. With some luck, you'll find the water fountains spraying, the music playing, and at night, the lights dancing. On the weekend you'll find the park full of locals enjoying the evening. You'll probably also encounter newlyweds taking their wedding photos here. Congratulate them by saying parabens! (pronounced: pah-rah-baynsh).
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Praça da Independencia, Praça 11 de Novembro
This large and beautiful rotunda is surrounded by the governor's palace, the principal government edifices (easily recognized by their pink color), and the central post office. In the middle of the rotunda is a large monument to the nation's first president, Agostinho Neto. Neto was both a soldier and a poet; the statue pays tribute to both sides of the man - he is dressed in military uniform, but seated on the ground writing. Take the time to read the inscription at his feet. Feel free to take pictures of the monument, but try not to point your camera obviously at the surrounding government buildings, so as not to attract unwanted suspicion. Also, make sure to revisit the Praça at night, when it is (usually) attractively lit.
Parish church
Ruins of the house of Jonas Savimbi, former leader of UNITA during the civil war. Walls are ridden with bullet holes. Next to the house is the provincial UNITA party office.
White and blue cathedral