Pruned

In Berlin and The Netherlands, crazy ideas of building mountains for recreational purposes are actually being entertained.

As Blackhawk fans crammed into downtown Chicago to celebrate their Stanley Cup victory last week, the editors at Pruned were reminded of a fantastical proposal for a downtown stadium built into the tops of skyscrapers.

A new Parisian park would cause American parents to go apoplectic, with a precarious slopes and a lack of rubber bumpers. It is the latest incarnation of the "adventure playground, says Alexander Trevi of Pruned.

Technologie Alpine de Sécurité creates gas-powered avalanche control systems. The blog Pruned shows pictures of the system installed at Val Thorens, France.

This post from Pruned looks at a proposal to turn a contaminated reservoir into a "bioremediating ecological machine".

A computer model may be able to assist city planners, public safety officials, and researchers in exploring individual pedestrian and crowd behavior in urban spaces.

Hong Kong's unique system of escalators, moving walkways, and pedestrian bridges has transformed the neighborhoods it connects.

Alexander Trevi comments on playground equipment designed to provide local clean water supply in developing countries.