Client Spotlight: alterraprop with the full office to residential conversion on 1701 Market St. With our full construction service, we highlighted the transformation of this old office building by going to the project over 4 times throughout the process, documenting our flight paths and lining up seamless transitions. Check it out! • • • • #dronestagram #droneoftheday #dji #mavicpro #djiphantom4 #dronelife #drones #photography #photooftheday #aerialphoto #aerialphotography #dronepilots #dronephotography #instadrone #yophillymag #elevatedangles #mavicpro2 #mavic3 #visitphilly #215shooters #fromwhereidrone #dronestagram #igers_philly #philadelphia_citylife #philadelphia #philly #ourphilly #phillyigers #phillyphilly #discover_phl