In developed countries, bottles are taken for recycling but in underdeveloped countries they are thrown in the trash. The fact remains that you can reuse a piece of glass.
Bottles of wine, potable water and homemade compotes look good on guest tables. In beautiful bottles of liquor or wine, you can keep olive oil, garlic, chili, and herbs. Serve with pizza, for example. Empty bottles with caps or locks will be happily taken away by a zero waste movement. In them they make kambucha or water kefir. Advertise the distribution of such bottles on social networks groups. So you will attract new guests to your establishment and get rid of the bottles.
Bottles can be used as decor. It is good for selling your drinks especially when these bottle look good enough to beautify your drinks. You are guaranteed an appreciable number of sales per day.