Написать в форме The Present Continuous Tense:visit London, climb a mountain, swim in a lake, ride a horse, row a boat, travel by plane, play basketball, sail in a submarine, watch an eagle

To be visiting London, to be climbing a mountain, to be swimming in a lake, to be riding a horse, to be rowing a boat, to be travelling by plane, to be playing basketball, to be sailing in a submarine, to be watching an eagle.