Fresh air is defined as cold air (non-polluting) air, which of course is not present everywhere. In China, for example, the air of some cities is so polluted that they expose bags filled with "fresh air" so people can breathe some of this air
Fresh air is defined as cold air (non-polluting) air, which of course is not present everywhere. In China, for example, the air of some cities is so polluted that they expose bags filled with "fresh air" so people can breathe some of this air
