The first day I arrived in the UK. I was a 40 year-old single girl. One day, I decided to travel through Europe by myself. This is my travel story in which I was off to a bad start on my first trip abroad. I arrived at the Heathrow Airport around 3 pm. But I realized I was having trouble using a sim card in my cell phone. Frankly speaking, it freaked me out because I thought if I could not use i..