When CBS 8 walked with fifth graders from Perkins Elementary School on a field trip in 2017, the students couldn’t walk down the sidewalk. Because of tents, trash, and human waste, they walked in the street – dodging cars. For the students, this was nothing new. They did it every day walking to and from school. But Principal Fernando Hernandez says last June, when San Diego's Unsafe Camping Ordinance went into effect, everything changed. “We used to deal with a lot of food containers, food trash, and feces, needles, old dirty clothing, but all of that has almost disappeared,” Hernandez said. MORE: https://www.cbs8.com/article/news/local/students-say-unsafe-camping-ban-making-a-difference/509-3523bb9b-404a-4244-9ced-42f7e7830859