You are here. Cross U.S. Borders. Almost a million times each day, U.S. Customs and Border Patrol (CBP) officers welcome international travelers into the U.S. In screening both foreign visitors and returning U.S. citizens, CBP uses a variety of techniques to assure that global tourism remains safe and strong.
Birches are enchanting trees that embody beauty and grace. While most types of Birch trees grow to roughly 40 feet, some, such as the Paper and Yellow Birch can soar to 80 feet tall.irches are enchanting trees that embody beauty and grace. While most types of Birch trees grow to roughly 40 feet, some, such as the Paper and Yellow Birch can soar to 80 feet tall.
Comments. Submit. All birch trees share common features, such as male and female flowers on the same tree. Birches have foliage that drops each fall and their leaves grow in an alternate pattern on the branches.Most birches are fast-growing, handsome trees, making them useful as ornamentals.omments. Submit. All birch trees share common features, such as male and female flowers on the same tree. Birches have foliage that drops each fall and their leaves grow in an alternate pattern on the branches.