2016/06/14 LFP Rock the Park,18+,must live within 100km of LFP

There will be 20 pairs of tickets in total given away (the “Draw") from all correct entries received in the contest period, winner will receive a pair of one day General Admission tickets to Rock The Park July 13 - 16, 2016 at Harris Park in Downtown London. Tickets will be for a specific day. This prize has an estimated cash value of $130 - $180.

http://contests.lfpress.com/RockThePark/
rules embedded

I did not see a limit restriction stated in the rules