La Quinta Avenida is the main touristic street of the resort city of Playa del Carmen. As such, walking along, you will find many expected sights such as fast food restaurants, bars, and souvenir shops. Looking into the gardened courtyard of the San Pedro Hotel, you can also find a very unexpected sight: a small wooden structure, similar to a doghouse, painted in bright colors. Above the entrance, the word “ALUX” is spelled out in big letters, as if the house had been built for it. Aluxes (alux is the…