Today the Rickmansworth Aquadrome is a public park and nature reserve. But few know that its two lakes were originally gravel pits created during the construction of the original Wembley Stadium in 1923. Later the pits were filled with water to create a public recreation ground. In 1941, the Aquadrome was requisitioned by the War Department for army exercises. Nowadays, the park has a play area, cafe, sailing club, and waterski club. It also hosts the annual Canal Festival….