Sure! Here's a 90-word letter about a vacation in Kazakhstan:
Dear friend,
I just came back from an amazing vacation in Kazakhstan! The country is incredible, with vast steppes, beautiful mountains, and stunning lakes. I visited Almaty, which has a mix of modern buildings and traditional markets. The local food was delicious, especially beshbarmak and shashlik. I also explored the Charyn Canyon, often called the "Grand Canyon of Central Asia," and enjoyed hiking in the mountains. It was a wonderful experience, full of nature and culture. I hope you get a chance to visit Kazakhstan someday!
Best wishes,
[Your Name]
If you'd like, I can help you personalize or extend it further!