query: وقت اللي مكانش التلوث الضوئي في ذروته وحدة من مشاكلهم المهمة كيما هو الحال في هالأيام، تلقاهم في العادة في المدن والا في الجامعات والوصول ليهم أسهل من الوصول لللي مبنية في العصر الحديث.
positive: As light pollution in their heyday was not the kind of problem it is today, they are usually located in cities or at campuses, easier to reach than those built in modern times.
negative: As heavy pollution in their heyday was not the kind of problem it is today, they are usually located in cities or at campuses, difficult to reach than those built in nonmodern times. As light pollution in their heyday was the kind of problem it is today, they are usually located in cities or at campuses, easier to reach than those built in modern times.