1. After an uphill, the "roller coaster" rushed down the mountain vertically. "Wow!" We couldn't help screaming, and the screams drowned out the waves.
2. "ah! Help! " Screams rippled in the sky and echoed in my ears like a tornado. This is the scariest and most exciting air experience since I was born. In the haunted house roller coaster, I once again set a new life record. Wait a minute.
Roller coaster (alias roller coaster) is a motorized amusement facility, which is common in amusement parks and theme parks. Although the roller coaster is scary, it is basically a very safe facility and is deeply loved by many young tourists. LaMarcus Adna Thompson, an American inventor and businessman, is the first person to register the patented technology related to roller coasters (1885 65438+1October 20th). He has built dozens of roller coasters, so he is known as the "father of gravity".