Vedder became notorious for climbing and hanging off the stage during performances. &#8220;That was actually a tame one compared to others,&#8221; Mercer recalls of their legendary Drop in the Park show in 1992.&nbsp;
Mercer, who toured with Pearl Jam as their official photographer from 1991 through 1995, witnessed the band achieve massive success. &#8220;That&rsquo;s the moment where I realized what a big deal it was, because so many people were there,&#8221; he says.&nbsp;