How to see Beijing in three days (because you don't need a visa for 72-hour visits) - The Washington Post
Travel Tips for Hiking the Great Wall of China Without a Tour | Great wall of china, Cool places to visit, China travel
Beijing Transit Without Visa: Everything You Need to Know
UPDATED CHINA VISA REQUIREMENTS and Application for Tourists (How to successfully get a Chinese tourist visa?) | Blogs, Travel Guides, Things to Do, Tourist Spots, DIY Itinerary, Hotel Reviews - Pinoy Adventurista
Traveling to China during Covid-19: What you need to know before you go | CNN Travel