你们大学的学生会将于本周末组织春游。作为工会领导人，写一份备忘录，贴在公告板上，邀请你的同学参加活动。你的备忘录应该描述参观的地方，见面的时间和地点，以及活动的必要准备工作。写一篇150字的英语作文

标题：Spring Outing Invitation Attention all students! The Student Union is excited to announce our spring outing this weekend to the serene Green Valley Park. Join us for a day of fun and relaxation on Saturday, April 17th at 9:00 AM. We will gather at the main gate entrance. Please bring comfortable walking shoes, a packed lunch, water, and sunscreen. Don't forget your camera to capture the beautiful scenery and memorable moments. Sign up by Wednesday for a chance to win a free picnic hamper. See you there!