Smartphone users who are at least 21 can interact with an augmented reality mural celebrating the Mexican Day of the Dead and Modelo beer and watch in 3D animation as a woman grabs a Modelo Especial bottle in a skeletal hand. The AR mural is on display in Charleston, S.C., and Washington, DC, as well as Fort Lauderdale and Miami in Florida.

A recently launched campaign to organize apartment tenants in Washington, DC, hopes to serve as an information clearinghouse for renters as well as to create a voting bloc that could influence DC politics. This is one of a growing number of tenants' unions and advocacy groups springing up around the country.

An Anacostia Watershed Society pilot project to restore mussel populations and reduce pollution in the Anacostia River of Washington, D.C., was a success, and the group has received a $400,000 grant from the district's Department of Energy and Environment to continue their work. "[I]t's really good to help with the water quality," says the society's Maureen Farrington.

Boston Properties has started construction on a 469,000-square-foot office project in Washington, DC, following a development site lease by George Washington University for the next 75 years. The project is expected to cost $360 million.