5 discontinued Olympic sports that should be brought back

The Olympics has a lot of sports that only get any attention once every four years. Sports are routinely added and discontinued at each Olympics. Here are some sports that were discontinued which we think should be brought back to add some excitement to the games.
Tug of War
The Tug of War was included included in Olympics six times and discontinued in 1920. I wonder which country would be favorite to win this event now?
Rope Climbing
Another simple competition rope climbing was part of five Olympics. Climbers had to climb a single vertical rope using only their hands.
Underwater swimming
Everyone who has ever had a backyard pool would have tried this. The winner was