这个是马德里主要的广场，测量面积约 130 × 95 米。 广场有九个主要入口，而它是一个很好的休息点，让您坐下来放松或喝一杯咖啡或只是观察游客和当地人漫步的地方。

The key to happiness – could you find it here? The Schell Collection, Austria’s museum of locks, keys, coffers, ornamental boxes and ornate cast iron, and also the biggest specialist museum of its kind in the world. Find the answers to questions such as “Why is there a key on a pocket watch chain?” or “Why would you need a funeral casket key?” … and “Are you sure that you found all of the secret compartments in your great grandfather’s desk?”