Translation of biannual in German

The guy at the reception was pretty friendly and gave me keys of the hotel's suites. The first suite was again without windows. I returned and asked for the same with windows. He gave me other keys.
We decided to walk back and explore the city on foot. It was hard to cross the streets as there was an endless flow of motorcycles and bikes. One needed to just enter the street and cross it.
I'm divorced and I have three children, two boys one girl. Last year we visited California, Nevada, Utah, Arizona and New Mexico. We traveled all this states by car. Next year I wanna do the east coast.