God is speaking to many people at this time that angels are waiting at your wall! Take heart, for that situation you are facing is about to become a miracle zone.
The walls of an ancient city were where watchmen stood guard. "Your people will rebuild the ancient ruins and will raise up the age-old foundations; you will be called Repairer of Broken Walls, Restorer of Streets with Dwellings" - Isaiah 58:12
A wall can represent an obstacle. Nehemiah wept when he heard the wall