Plow horses?
When our grandchildren are using those again, they should thank us. They'll be living healthier lives and breathing cleaner air. Maybe we could quit killing ourselves with diseases of civilization and go back to falling off cliffs or turning over a canoe while fishing for dinner. Slowly the gene pool will be strengthened as the weaker die off without progeny. Then the human race might be good for another thousand years instead of heading helter skelter to doom and damnation.
Have a nice day. 😁