Hollow Earths

The Hollow Earths are a group of seven planets that follows a set of laws of physic different that those that we know, especially regarding Gravity.

They have a special affinity with the Obscure Cities, and the Tramway 81 runs in several of those worlds ¹⁾. Time is divided in Period, Cycle and Lombe.

At least one of those planets, Olive's, seems to be of artificial origin ²⁾.

• Terres creuses (les)
• Introduction aux Terres Creuses
• Balik,
• Fannaux,
• Fog Cutters,
• Gammes,
• Nelle,
• Nogégon,
• Védra,
• Xam,
• Zara and
• Zédra.