This week we will start Moed Katan. We will start with an overview of  the Masechet and understand some of the central themes that will be  discussed over the next few weeks. We will learn what activities are  permitted on Chol HaMOed and during the Shemita year, specifically  watering different types of fields. We will also learn about fixing  water cisterns and about marking graves on Chol Hamoed.