Debate goes on about whether and how to seal the 6-ton concrete blocks. A locally crowdfunded “time pyramid” in southern Germany will be completed brick by brick over the next 1,000 years.

The “Time Pyramid” is being assembled slowly by the residents of a German town, who can scarcely imagine the world in which the artwork will be completed. By Richard Fisher Richard Fisher, who ...

In contrast, the German pyramid will be made of concrete, which typically doesn’t last beyond a century—though with proper maintenance and waterproofing, its longevity could be extended. We won’t be ...

They have secured €90,000 (£61,000) in state funding to assess the feasibility of building a 1,600ft tall "Great Pyramid" near the town of Dessau, in the impoverished east German state of ...