Drone images from 2021 show damage at Beirut's blast-hit port after a massive explosion on August 4, 2020, erupted at the site killing more than 200 people, wounding scores of others, and wrecking large swathes of the Lebanese capital. Lebanon marks four years since the catastrophic explosion, with fears of all-out war between Israel and Hezbollah hanging heavy over the grim commemoration. STOCKSHOTS