These numbers are very low, for at least my region. Paver patios run about $20.00+ per square foot, higher for upper end pavers. That's patio install only, not including lawn repair, pergolas, columns, seat walls, lights, walls, steps etc... So figuring a flat yard and being able access with machinery. If by hand price goes up.
Aerobic exercise (also known as cardio) is physical exercise of low to high intensity that depends primarily on the aerobic energy-generating process.
Water aerobics, also known as aqua aerobics or water exercise, is primarily a group cardio workout that usually takes place at the shallow end of a swimming pool and/or with special floats and additional buoyant equipment in deeper water. It may also include strength training and other types of exercise.