sentence1: To celebrate Bastille Day (14 July) or the 1944 Liberation (25August), blue, white, and red laser beams are bounced off the Eiffel Tower, Arc de Triomphe, and Hotel de Ville.
sentence2: In celebration of Bastille Day, red, white and blue laser beams are bounced off the Hotel de Ville, Arc de Triomphe and Eiffel Tower. 