Why doesn't the city decide that a public urban forest– Why isn't that a value?

为什么城市不决定公共城市森林 - 为什么这不是一个价值？

On top of that, several urban forests are popping up around the city, including outside Hotel de Ville - the City Hall - and the Gare de Lyon train station.

最重要的是，城市周围出现了几片城市森林，包括市政厅外的市政厅和里昂火车站。