How do you say

My friends and I are planning to road-trip to Tibet during the summer vacation.

..in Chinese?

我和朋友们计划暑假去西藏自驾游。

wǒ hé péng yǒu men jì huà shǔ jià qù xī zàng zì jià yóu 。

How do you say "My friends and I take walks in the park every week, and it’s great." in Chinese?