However, there are always some smartalicks who are drinking from their bottles of whatever and these bottles, when emptied, are all too often, dropped or thrown onto the street. Despite the efforts the municipal street-cleaners, the streets are usually littered with broken glass of all types. The most common ailment treated at the first-aid centres is always for feet which have suffered cuts from broken glass. Better not to wear sandals and any kind of very light footwear. Because even if you are careful about stepping on broken glass it will be difficult to avoid getting stained by the general muck and dirt which is generated by all the night-time revellery..
During the txupinazo thousands of bottles of champagne are uncorked and thrown to the floor, everywhere: so for safety it is better not to wear sandals or similar shoes.