NICE, FRANCE - JULY 16: Flowers lay on La Promenade des Anglais' seafront in tribute to victims of the attack the day before on July 16, 2016 in Nice, France. A French-Tunisian attacker killed 84 people as he drove a lorry through crowds, gathered to watch a firework display during Bastille Day celebrations yesterday. The attacker then opened fire on people in the crowd before being shot dead by police. (Photo by Clment Mahoudeau/IP3/Getty Images)
