claim: Doxycycline may cause increased risk of skin cancer.
evidence: Dragon Falls -LRB- originally Dragon River -RRB- is a flume ride at the theme park Chessington World of Adventures in Chessington , southwest London , England .. Chessington. Chessington. London. London. flume ride. flume ride. Chessington World of Adventures. Chessington World of Adventures. England. England. Primarily designed by John Wardley and opened in 1987 , it is located in the Mystic East area of the park .. Mystic East. Mystic East. John Wardley. John Wardley. The ride was originally extensively themed , although the majority of its scenic design has been removed due to lack of maintenance and durability over time .