这个真实地点生成效果为什么值得看
Josefov, Prague, Czechia 作为“老城街巷”案例展示：用 OpenStreetMap 数据重建真实地点，让用户先看到效果，再生成自己的区域。
Old-town patterns diversify the showcase beyond modern cities.
The district scale keeps the example focused and easy to inspect.
It gives users another reason to try historic areas, not only famous skylines.
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