A fireworks display that included more than 20 thousand pounds of explosives and 10-inch diameter shells capped off Boston's 2007 Independence Day celebrations. Diane Rak—The Tech May. 8, 2016 Facebook Twitter Reddit Print A fireworks display that included more than 20 thousand pounds of explosives and 10-inch diameter shells capped off Boston's 2007 Independence Day celebrations. Diane Rak—The Tech