At left, an inflatable model encased in a plastic bubble floated in the Fort Point Channel. The object is part of an art exhibit by Lisa Greenfield and the crew from City Water Taxi called 'Walking On Water,' which celebrates an upcoming series of open studios for Fort Point artists.
At left, an inflatable model encased in a plastic bubble floated in the Fort Point Channel. The object is part of an art exhibit by Lisa Greenfield and the crew from City Water Taxi called "Walking On Water," which celebrates an upcoming series of open studios for Fort Point artists.
(Globe Staff Photo / David L. Ryan)