1. How long is the Great Wall of China?

• Q: What is the length of the Great Wall of China?
• A: The Great Wall of China is approximately 13,170 miles (21,196 kilometers) long. It was built over several dynasties to protect against invasions.

2. How long is the Fortnite downtime?

• Q: What is the usual duration of Fortnite downtime during updates?
• A: Fortnite downtime for updates can vary, but it typically lasts for a few hours. Epic Games aims to keep downtime as short as possible while implementing necessary changes and improvements.

3. How long is the physical therapy program?

• Q: What is the duration of a typical physical therapy program?
• A: The length of a physical therapy program depends on various factors, including the type of injury or condition and individual progress. Programs often last from a few weeks to several months, with sessions ranging from 30 minutes to an hour.