But if I was trying to do all the sight-seeing without a tour guide , that would be very difficult and dangerous .
But if I was trying to do all the sight-seeing without a tour guide , that would be very difficult and dangerous . But if I was trying to do all the sightseeing without a tour guide , that would be very difficult and dangerous . But if I was trying to do all the sight-seeing without a tour guide , that would be very difficult and dangerous . But if I was trying to do all the sight-seeing without a tour guide , that would be very difficult and dangerous .