Anglo-Scottish border part of Scotland again. Berwick's MP Anne-Marie Trevelyan has resisted any change, arguing that: "Voters in Berwick-upon-Tweed do not believe it is whether they are in England or Scotland that is important.". At the River Tweed the border runs down the middle of the river, however between the villages of Wark and Cornhill the Scottish border comes south of the river to enclose a small riverside meadow of approximately to . This piece of land is known as the Ba Green. It is said locally that every year the men of Coldstream (to the North of the river) would play
Course of the Colorado River of this water is used for irrigation in the Mexicali Valley, one of Mexico's most fertile agricultural regions. Below the Morelos Dam the Colorado forms the international border for a short distance, between Baja California and Arizona, before reaching the Southern International Boundary at San Luis Rio Colorado, where it crosses entirely into Mexico. For the remainder of its course to the Gulf, the river forms the boundary between Baja California (west) and Sonora (east). "River", however, is a misnomer as the Colorado is dry or small stream most of the year, due to its flow being almost completely exhausted