When Ann and Glen Gage downsized from their expansive home and garden in Switzerland to a San Francisco townhouse, one of the things they missed most was the koi pond they’d built and tended for years ...

When Ann and Glen Gage downsized from their expansive home and garden in Switzerland to a San Francisco town house, one of the things they missed most was the koi pond they'd built and tended for ...

When Ann and Glen Gage downsized from their expansive home and garden in Switzerland to a San Francisco town house, one of the things they missed most was the koi pond they’d built and tended for ...

This container pond was put together using a planter, floating aquatic plants and a mix of goldfish on a patio in San Francisco. The pond contains a bubbler, a filter, and an Asian ceramic ball as a ...

Glen and Ann Gage used a planter that they waterproofed as the basis for a fish pond on their San Francisco patio. The goldfish came from a pet store. From Glen Gage AP When Ann and Glen Gage ...