On August 1, at around 7 a.m., three rescue teams from Weifang City in Shandong Province gathered and made their way to Shilou Town in Fangshan District, Beijing. Their mission was an emergency rescue operation. With a sense of urgency and dedication, they assisted those in need. #BeijingNews #beijingflood | Discover Beijing

35 YEARS LATER: On this day in 1986, the Space Shuttle Challenger exploded after liftoff, killing all seven astronauts on board. The Challenger broke apart at 11:39 a.m., falling into the Atlantic Ocean. Investigators would later discover the disaster was caused by the failure of an “O ring” seal in one of the two solid-fuel rockets. As a result of the horrific accident, NASA did not send astronauts into space for more than two years as it redesigned a number of space shuttle features for improv