I only know one child who regularly went to camps all summer from an early age, and she was pretty much an extreme example. She was a friend of DD4's but naturally they drifted apart as she was away for almost three months straight every year. She started out in local daycamp (YMCA and Park District) and then graduated to sleep away camps (Girl Scouts and camps concentrating on various activities) and now for three years running (lots of running) to back-to-back soccer camps at a university that takes sports very seriously, as well as several other soccer camps. She is an only child and her parents both work, one in her own business with little or no time off in the summer when the business has its crazy busy time.
I know a musically gifted family whose two children went to Interlochen Center for the Arts several summers in a row.
DD1 and DD2 did a day camp with a three-week session two years in a row. The day was 9 to 3. DD1 focused on chess and DD2's theme was Harry Potter-based. Needless to say, they met lots of fellow nerds and found themselves in class with several of them when they got to high school..
There are lots of camp-like summer enrichment opportunities around here and the spots fill up fast. DS, DD3 and DD4 never wanted to go anywhere so they hung out at the local pool.
Where I live there is a grassy parkway planted with trees between the footpaths and the streets, in the residential parts anyway. You are responsible for mowing the grass in the parkway but the parkway trees are a municipal responsibility you can't trim them or have them cut down. There is actually a forestry department that monitors trees but regular work on them is farmed out to private contractors who come around and trim trees annually. If a branch falls, you drag it to the curb and the city sends a chipper out, and they will perform a little work to even out a jagged spot on the tree where the branch was. After severe storms you hear the roar of the chipper almost as soon as the wind dies down. The forestry department replaces trees that are cut down lots of this happening at the moment because all the ash trees are being removed thanks to the emerald ash borer. A few decades ago Dutch Elm disease claimed hundreds of elms. One of the last remaining elms was in front of my old house.
People also dig out sidewalks very religiously after a snowfall but the city ploughs the streets and very annoyingly the alleys, so you get a nice big berm of packed ice and snow up against your garage door that the average snow shovel can't handle.