There is a device called a thermometer for that...
They are technically only separated by one country which is Russia.
<span>the movement of hot and cold air between land and seaa creates : sea breeze
The movements between hot and cold air create a shift in the wind pressure, which will cause the air to move across the ocean, which is more commonly known as the sea breeze and many people utilize it to navigate their sailing ship</span>
Most of those major cities are located near Petroleum Fields and Coal Mines.
