Taiwan is a very rainy place. Downpours can be heavy and last not only for a whole day, but for several days without interruption. Many shops and public places have at their entrance umbrella holders. It is a common habit in Taiwan to put one's umbrella into the holder before entering a store or other indoor areas. The purpose of these umbrella holders is - I presume - to prevent the floor from getting dirty and slippery. This might be a rational idea, but this habit has a very annoying side effect: Umbrella thefts. Apparently, there are nice people who, having forgotten their own umbrella, believe that they have the right to take others'. It has already happened to me three times that my umbrella was stolen ... Okay, umbrellas are not expensive, so this is definitely not going to ruin me financially. Nevertheless, I find it extremely irritating. First of all, it is a matter of principle: This is my umbrella and I don't want anyone to take it from me withou