BOSTON (CBS) – Work is continuing on the memorials to honor the victims of the Boston Marathon bombings.

The city released a video Wednesday showing the construction being done to create the markers.

READ MORE: Mother, Son Found Safe After Amber Alert In New Hampshire

A pair of memorials will sit along Boylston Street, at the site of each blast. The artist behind the design was selected by the victim’s families.

READ MORE: Experts Warn Delta Variant Could Make Unvaccinated Communities 'Look Like Last Winter'

Four glass light poles measuring 18 feet tall will surround intertwined granite pillars, representing the victims.

MORE NEWS: Funeral Held For Slain Braintree Police K-9 Kitt At Gillette Stadium

Artist renderings of the memorial to the victims of the Boston Marathon bombings. (Image credit: City of Boston)

The memorial are expected to be finished this summer.