Израиль начал наземную операцию на юге Ливана14:50
Испания — Примера|27-й тур
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A filled torus (a doughnut) is a 3-manifold homeomorphic to \(S^1 \times D^2\), where \(D^2\) is the 2-dimensional disk. There exists a deformation retract from the doughnut to a circle, so the fundamental group of the doughnut is \(\pi_1(S^1 \times D^2) \cong \mathbb{Z}\).
The property has been described as "truly extraordinary"。新收录的资料对此有专业解读
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Раскрыты подробности о фестивале ГАРАЖ ФЕСТ в Ленинградской области23:00。新收录的资料是该领域的重要参考