Translation of architectural in German

I've got a question. What is a woodpecker? I learn English without teacher and without conversation. I think you should look on the bright side. See what do you already know and to be proud of.
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.
We had decided to fly to Lima (instead of Buenos Aires, Argentina) and to visit Machu Picchu just a few weeks before leaving Europe.