on my fourth full day in paris, it was my mother’s birthday, so we had to go shopping in the opera district to spend two hours in the monki store and to stop by galeries lafayette to see their stunningly beautiful noel tree centerpiece. “i’ve spent four days here and still haven’t seen the eiffel tower yet!”, she told me, as we were riding the escalator to the terrace on the top floor level. “well….. look, there it is!”  we didn’t have pre-sale tickets for the eiffel tower that afternoon (hot tip: buy your eiffel tower tickets as far in advance as you can! not a couple weeks, even in the off-season) but i…