Know Before You Go: Places of worship have strict dress code requirements for entry. All participants are required to have shoulders and knees covered (no tank tops or short dresses) to enter.
Know Before You Go: Photo IDs are required for all participants age 10 and under for entry into the Sagrada Familia (images or photocopies are OK).
Know Before You Go: The semi-private option is with no more than 6 people in a group