Decorated pots and plants made by gardener Partha Sarathi Ganguly, 65, are seen at his roadside garden in Kolkata, India on July, 11, 2019. For potting and garden decoration he reused discarded plastic water bottles, glass bottles, plastic containers, car tyres, cycle tubes, electric wire and other things. The garden also absorbs wet waste as compost as part of the waste management. (Photos: Xinhua)

Decorated pots and plants made by gardener Partha Sarathi Ganguly, 65, are seen at his roadside garden in Kolkata, India on July, 11, 2019. For potting and garden decoration he reused discarded plastic water bottles, glass bottles, plastic containers, car tyres, cycle tubes, electric wire and other things. The garden also absorbs wet waste as compost as part of the waste management.

Decorated pots and plants made by gardener Partha Sarathi Ganguly, 65, are seen at his roadside garden in Kolkata, India on July, 11, 2019. For potting and garden decoration he reused discarded plastic water bottles, glass bottles, plastic containers, car tyres, cycle tubes, electric wire and other things. The garden also absorbs wet waste as compost as part of the waste management.

Decorated pots and plants made by gardener Partha Sarathi Ganguly, 65, are seen at his roadside garden in Kolkata, India on July, 11, 2019. For potting and garden decoration he reused discarded plastic water bottles, glass bottles, plastic containers, car tyres, cycle tubes, electric wire and other things. The garden also absorbs wet waste as compost as part of the waste management.

A hawker walks past a roadside garden belonging to Partha Sarathi Ganguly, 65, in Kolkata, India on July, 11, 2019. For potting and garden decoration he reused discarded plastic water bottles, glass bottles, plastic containers, car tyres, cycle tubes, electric wire and other things. The garden also absorbs wet waste as compost as part of the waste management.

Decorated pots and plants made by gardener Partha Sarathi Ganguly, 65, are seen at his roadside garden in Kolkata, India on July, 11, 2019. For potting and garden decoration he reused discarded plastic water bottles, glass bottles, plastic containers, car tyres, cycle tubes, electric wire and other things. The garden also absorbs wet waste as compost as part of the waste management.

A decorated pot with plants made by gardener Partha Sarathi Ganguly, 65, is seen at his roadside garden in Kolkata, India on July, 11, 2019. For potting and garden decoration he reused discarded plastic water bottles, glass bottles, plastic containers, car tyres, cycle tubes, electric wire and other things. The garden also absorbs wet waste as compost as part of the waste management.

Gardener Partha Sarathi Ganguly, 65, looks at his plant at his roadside garden in Kolkata, India on July, 11, 2019. For potting and garden decoration he reused discarded plastic water bottles, glass bottles, plastic containers, car tyres, cycle tubes, electric wire and other things. The garden also absorbs wet waste as compost as part of the waste management.

A man cleans the road beside a roadside garden belonging to Partha Sarathi Ganguly, 65, in Kolkata, India on July, 11, 2019. For potting and garden decoration he reused discarded plastic water bottles, glass bottles, plastic containers, car tyres, cycle tubes, electric wire and other things. The garden also absorbs wet waste as compost as part of the waste management.

Decorated pots and plants made by gardener Partha Sarathi Ganguly, 65, are seen at his roadside garden in Kolkata, India on July, 11, 2019. For potting and garden decoration he reused discarded plastic water bottles, glass bottles, plastic containers, car tyres, cycle tubes, electric wire and other things. The garden also absorbs wet waste as compost as part of the waste management.

Gardener Partha Sarathi Ganguly, 65, takes care of his roadside garden in Kolkata, India on July, 11, 2019. For potting and garden decoration he reused discarded plastic water bottles, glass bottles, plastic containers, car tyres, cycle tubes, electric wire and other things. The garden also absorbs wet waste as compost as part of the waste management.

A woman walks past a roadside garden belonging to Partha Sarathi Ganguly, 65, in Kolkata, India on July, 11, 2019. For potting and garden decoration he reused discarded plastic water bottles, glass bottles, plastic containers, car tyres, cycle tubes, electric wire and other things. The garden also absorbs wet waste as compost as part of the waste management.

Gardener Partha Sarathi Ganguly, 65, takes care of his roadside garden in Kolkata, India on July, 11, 2019. For potting and garden decoration he reused discarded plastic water bottles, glass bottles, plastic containers, car tyres, cycle tubes, electric wire and other things. The garden also absorbs wet waste as compost as part of the waste management.